Home / 651,415.80-977,076.60-202,125.20

Finding the Fourth Proportional to 651,415.80, 977,076.60 and 202,125.20

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Solution

The fourth proportional to 651,415.80, 977,076.60 and 202,125.20 is: 303,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,415.80 : 977,076.60 = 202,125.20 : x
  2. Step 2: Convert to fraction form
    651,415.80/977,076.60 = 202,125.20/x
  3. Step 3: Cross multiply
    651,415.80x = 977,076.60 × 202,125.20
  4. Step 4: Simplify right side
    651,415.80x = 197,491,803,190.32
  5. Step 5: Solve for x
    x = 197,491,803,190.32/651,415.80
  6. Step 6: Final answer
    x = 303,173.19

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.