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Finding the Fourth Proportional to 439,487, 658,839.54 and 158,941.88

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Solution

The fourth proportional to 439,487, 658,839.54 and 158,941.88 is: 238,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,487 : 658,839.54 = 158,941.88 : x
  2. Step 2: Convert to fraction form
    439,487/658,839.54 = 158,941.88/x
  3. Step 3: Cross multiply
    439,487x = 658,839.54 × 158,941.88
  4. Step 4: Simplify right side
    439,487x = 104,717,195,105.94
  5. Step 5: Solve for x
    x = 104,717,195,105.94/439,487
  6. Step 6: Final answer
    x = 238,271.43

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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.