Home / 487,028.30-672,097.11-272,168.30

Finding the Fourth Proportional to 487,028.30, 672,097.11 and 272,168.30

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Solution

The fourth proportional to 487,028.30, 672,097.11 and 272,168.30 is: 375,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,028.30 : 672,097.11 = 272,168.30 : x
  2. Step 2: Convert to fraction form
    487,028.30/672,097.11 = 272,168.30/x
  3. Step 3: Cross multiply
    487,028.30x = 672,097.11 × 272,168.30
  4. Step 4: Simplify right side
    487,028.30x = 182,923,527,863.61
  5. Step 5: Solve for x
    x = 182,923,527,863.61/487,028.30
  6. Step 6: Final answer
    x = 375,591.17

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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.