Home / 487,001.54-672,061.04-272,141.62

Finding the Fourth Proportional to 487,001.54, 672,061.04 and 272,141.62

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Solution

The fourth proportional to 487,001.54, 672,061.04 and 272,141.62 is: 375,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,001.54 : 672,061.04 = 272,141.62 : x
  2. Step 2: Convert to fraction form
    487,001.54/672,061.04 = 272,141.62/x
  3. Step 3: Cross multiply
    487,001.54x = 672,061.04 × 272,141.62
  4. Step 4: Simplify right side
    487,001.54x = 182,895,780,164.49
  5. Step 5: Solve for x
    x = 182,895,780,164.49/487,001.54
  6. Step 6: Final answer
    x = 375,554.83

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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.