Home / 438,724.48-658,086.90-158,241.70

Finding the Fourth Proportional to 438,724.48, 658,086.90 and 158,241.70

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Solution

The fourth proportional to 438,724.48, 658,086.90 and 158,241.70 is: 237,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,724.48 : 658,086.90 = 158,241.70 : x
  2. Step 2: Convert to fraction form
    438,724.48/658,086.90 = 158,241.70/x
  3. Step 3: Cross multiply
    438,724.48x = 658,086.90 × 158,241.70
  4. Step 4: Simplify right side
    438,724.48x = 104,136,789,803.73
  5. Step 5: Solve for x
    x = 104,136,789,803.73/438,724.48
  6. Step 6: Final answer
    x = 237,362.61

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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.