Home / 439,280.10-658,916.91-123,730.02

Finding the Fourth Proportional to 439,280.10, 658,916.91 and 123,730.02

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Solution

The fourth proportional to 439,280.10, 658,916.91 and 123,730.02 is: 185,594.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,280.10 : 658,916.91 = 123,730.02 : x
  2. Step 2: Convert to fraction form
    439,280.10/658,916.91 = 123,730.02/x
  3. Step 3: Cross multiply
    439,280.10x = 658,916.91 × 123,730.02
  4. Step 4: Simplify right side
    439,280.10x = 81,527,802,452.64
  5. Step 5: Solve for x
    x = 81,527,802,452.64/439,280.10
  6. Step 6: Final answer
    x = 185,594.12

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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.