Home / 424,919.80-636,699.30-224,979.40

Finding the Fourth Proportional to 424,919.80, 636,699.30 and 224,979.40

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Solution

The fourth proportional to 424,919.80, 636,699.30 and 224,979.40 is: 337,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,919.80 : 636,699.30 = 224,979.40 : x
  2. Step 2: Convert to fraction form
    424,919.80/636,699.30 = 224,979.40/x
  3. Step 3: Cross multiply
    424,919.80x = 636,699.30 × 224,979.40
  4. Step 4: Simplify right side
    424,919.80x = 143,244,226,494.42
  5. Step 5: Solve for x
    x = 143,244,226,494.42/424,919.80
  6. Step 6: Final answer
    x = 337,108.85

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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.