Home / 411,623.20-618,068.40-224,999.20

Finding the Fourth Proportional to 411,623.20, 618,068.40 and 224,999.20

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Solution

The fourth proportional to 411,623.20, 618,068.40 and 224,999.20 is: 337,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,623.20 : 618,068.40 = 224,999.20 : x
  2. Step 2: Convert to fraction form
    411,623.20/618,068.40 = 224,999.20/x
  3. Step 3: Cross multiply
    411,623.20x = 618,068.40 × 224,999.20
  4. Step 4: Simplify right side
    411,623.20x = 139,064,895,545.28
  5. Step 5: Solve for x
    x = 139,064,895,545.28/411,623.20
  6. Step 6: Final answer
    x = 337,845.13

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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.