Home / 439,311.60-658,999.80-158,792.40

Finding the Fourth Proportional to 439,311.60, 658,999.80 and 158,792.40

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Solution

The fourth proportional to 439,311.60, 658,999.80 and 158,792.40 is: 238,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,311.60 : 658,999.80 = 158,792.40 : x
  2. Step 2: Convert to fraction form
    439,311.60/658,999.80 = 158,792.40/x
  3. Step 3: Cross multiply
    439,311.60x = 658,999.80 × 158,792.40
  4. Step 4: Simplify right side
    439,311.60x = 104,644,159,841.52
  5. Step 5: Solve for x
    x = 104,644,159,841.52/439,311.60
  6. Step 6: Final answer
    x = 238,200.31

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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.