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Finding the Fourth Proportional to 438,737, 658,105.59 and 158,254.22

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Solution

The fourth proportional to 438,737, 658,105.59 and 158,254.22 is: 237,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,737 : 658,105.59 = 158,254.22 : x
  2. Step 2: Convert to fraction form
    438,737/658,105.59 = 158,254.22/x
  3. Step 3: Cross multiply
    438,737x = 658,105.59 × 158,254.22
  4. Step 4: Simplify right side
    438,737x = 104,147,986,823.09
  5. Step 5: Solve for x
    x = 104,147,986,823.09/438,737
  6. Step 6: Final answer
    x = 237,381.36

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1.5x scale

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.