Home / 402,146.48-554,967.92-220,874.70

Finding the Fourth Proportional to 402,146.48, 554,967.92 and 220,874.70

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Solution

The fourth proportional to 402,146.48, 554,967.92 and 220,874.70 is: 304,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,146.48 : 554,967.92 = 220,874.70 : x
  2. Step 2: Convert to fraction form
    402,146.48/554,967.92 = 220,874.70/x
  3. Step 3: Cross multiply
    402,146.48x = 554,967.92 × 220,874.70
  4. Step 4: Simplify right side
    402,146.48x = 122,578,372,839.62
  5. Step 5: Solve for x
    x = 122,578,372,839.62/402,146.48
  6. Step 6: Final answer
    x = 304,810.26

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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.