Home / 487,024.53-672,091.89-272,164.55

Finding the Fourth Proportional to 487,024.53, 672,091.89 and 272,164.55

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Solution

The fourth proportional to 487,024.53, 672,091.89 and 272,164.55 is: 375,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,024.53 : 672,091.89 = 272,164.55 : x
  2. Step 2: Convert to fraction form
    487,024.53/672,091.89 = 272,164.55/x
  3. Step 3: Cross multiply
    487,024.53x = 672,091.89 × 272,164.55
  4. Step 4: Simplify right side
    487,024.53x = 182,919,583,440.04
  5. Step 5: Solve for x
    x = 182,919,583,440.04/487,024.53
  6. Step 6: Final answer
    x = 375,585.98

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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.