Home / 439,281.10-658,918.41-123,731.02

Finding the Fourth Proportional to 439,281.10, 658,918.41 and 123,731.02

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Solution

The fourth proportional to 439,281.10, 658,918.41 and 123,731.02 is: 185,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,281.10 : 658,918.41 = 123,731.02 : x
  2. Step 2: Convert to fraction form
    439,281.10/658,918.41 = 123,731.02/x
  3. Step 3: Cross multiply
    439,281.10x = 658,918.41 × 123,731.02
  4. Step 4: Simplify right side
    439,281.10x = 81,528,646,966.08
  5. Step 5: Solve for x
    x = 81,528,646,966.08/439,281.10
  6. Step 6: Final answer
    x = 185,595.62

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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.