Home / 438,697.10-658,045.65-158,214.35

Finding the Fourth Proportional to 438,697.10, 658,045.65 and 158,214.35

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Solution

The fourth proportional to 438,697.10, 658,045.65 and 158,214.35 is: 237,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,697.10 : 658,045.65 = 158,214.35 : x
  2. Step 2: Convert to fraction form
    438,697.10/658,045.65 = 158,214.35/x
  3. Step 3: Cross multiply
    438,697.10x = 658,045.65 × 158,214.35
  4. Step 4: Simplify right side
    438,697.10x = 104,112,261,494.85
  5. Step 5: Solve for x
    x = 104,112,261,494.85/438,697.10
  6. Step 6: Final answer
    x = 237,321.52

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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.