Home / 651,645.20-977,176.20-252,153.20

Finding the Fourth Proportional to 651,645.20, 977,176.20 and 252,153.20

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Solution

The fourth proportional to 651,645.20, 977,176.20 and 252,153.20 is: 378,116.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,645.20 : 977,176.20 = 252,153.20 : x
  2. Step 2: Convert to fraction form
    651,645.20/977,176.20 = 252,153.20/x
  3. Step 3: Cross multiply
    651,645.20x = 977,176.20 × 252,153.20
  4. Step 4: Simplify right side
    651,645.20x = 246,398,105,793.84
  5. Step 5: Solve for x
    x = 246,398,105,793.84/651,645.20
  6. Step 6: Final answer
    x = 378,116.97

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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.