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Finding the Fourth Proportional to 438,737.47, 658,106.34 and 158,254.72

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Solution

The fourth proportional to 438,737.47, 658,106.34 and 158,254.72 is: 237,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,737.47 : 658,106.34 = 158,254.72 : x
  2. Step 2: Convert to fraction form
    438,737.47/658,106.34 = 158,254.72/x
  3. Step 3: Cross multiply
    438,737.47x = 658,106.34 × 158,254.72
  4. Step 4: Simplify right side
    438,737.47x = 104,148,434,566.93
  5. Step 5: Solve for x
    x = 104,148,434,566.93/438,737.47
  6. Step 6: Final answer
    x = 237,382.13

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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.