Home / 487,126.85-672,244.97-269,353.22

Finding the Fourth Proportional to 487,126.85, 672,244.97 and 269,353.22

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Solution

The fourth proportional to 487,126.85, 672,244.97 and 269,353.22 is: 371,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,126.85 : 672,244.97 = 269,353.22 : x
  2. Step 2: Convert to fraction form
    487,126.85/672,244.97 = 269,353.22/x
  3. Step 3: Cross multiply
    487,126.85x = 672,244.97 × 269,353.22
  4. Step 4: Simplify right side
    487,126.85x = 181,071,342,590.31
  5. Step 5: Solve for x
    x = 181,071,342,590.31/487,126.85
  6. Step 6: Final answer
    x = 371,712.92

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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.