Home / 487,061.90-672,166.18-272,201.96

Finding the Fourth Proportional to 487,061.90, 672,166.18 and 272,201.96

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Solution

The fourth proportional to 487,061.90, 672,166.18 and 272,201.96 is: 375,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,061.90 : 672,166.18 = 272,201.96 : x
  2. Step 2: Convert to fraction form
    487,061.90/672,166.18 = 272,201.96/x
  3. Step 3: Cross multiply
    487,061.90x = 672,166.18 × 272,201.96
  4. Step 4: Simplify right side
    487,061.90x = 182,964,947,600.38
  5. Step 5: Solve for x
    x = 182,964,947,600.38/487,061.90
  6. Step 6: Final answer
    x = 375,650.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.