Home / 651,279.60-977,065.20-202,021.20

Finding the Fourth Proportional to 651,279.60, 977,065.20 and 202,021.20

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Solution

The fourth proportional to 651,279.60, 977,065.20 and 202,021.20 is: 303,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,279.60 : 977,065.20 = 202,021.20 : x
  2. Step 2: Convert to fraction form
    651,279.60/977,065.20 = 202,021.20/x
  3. Step 3: Cross multiply
    651,279.60x = 977,065.20 × 202,021.20
  4. Step 4: Simplify right side
    651,279.60x = 197,387,884,182.24
  5. Step 5: Solve for x
    x = 197,387,884,182.24/651,279.60
  6. Step 6: Final answer
    x = 303,077.03

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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.