Home / 424,921.80-636,702.30-224,981.40

Finding the Fourth Proportional to 424,921.80, 636,702.30 and 224,981.40

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Solution

The fourth proportional to 424,921.80, 636,702.30 and 224,981.40 is: 337,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,921.80 : 636,702.30 = 224,981.40 : x
  2. Step 2: Convert to fraction form
    424,921.80/636,702.30 = 224,981.40/x
  3. Step 3: Cross multiply
    424,921.80x = 636,702.30 × 224,981.40
  4. Step 4: Simplify right side
    424,921.80x = 143,246,174,837.22
  5. Step 5: Solve for x
    x = 143,246,174,837.22/424,921.80
  6. Step 6: Final answer
    x = 337,111.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.