Home / 458,387.55-687,566.19-188,506.35

Finding the Fourth Proportional to 458,387.55, 687,566.19 and 188,506.35

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Solution

The fourth proportional to 458,387.55, 687,566.19 and 188,506.35 is: 282,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,387.55 : 687,566.19 = 188,506.35 : x
  2. Step 2: Convert to fraction form
    458,387.55/687,566.19 = 188,506.35/x
  3. Step 3: Cross multiply
    458,387.55x = 687,566.19 × 188,506.35
  4. Step 4: Simplify right side
    458,387.55x = 129,610,592,860.31
  5. Step 5: Solve for x
    x = 129,610,592,860.31/458,387.55
  6. Step 6: Final answer
    x = 282,753.30

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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.