Home / 487,083.33-672,175.98-272,223.41

Finding the Fourth Proportional to 487,083.33, 672,175.98 and 272,223.41

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Solution

The fourth proportional to 487,083.33, 672,175.98 and 272,223.41 is: 375,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,083.33 : 672,175.98 = 272,223.41 : x
  2. Step 2: Convert to fraction form
    487,083.33/672,175.98 = 272,223.41/x
  3. Step 3: Cross multiply
    487,083.33x = 672,175.98 × 272,223.41
  4. Step 4: Simplify right side
    487,083.33x = 182,982,034,034.81
  5. Step 5: Solve for x
    x = 182,982,034,034.81/487,083.33
  6. Step 6: Final answer
    x = 375,668.85

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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.