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Finding the Fourth Proportional to 438,850.86, 657,882.18 and 158,302.50

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Solution

The fourth proportional to 438,850.86, 657,882.18 and 158,302.50 is: 237,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,850.86 : 657,882.18 = 158,302.50 : x
  2. Step 2: Convert to fraction form
    438,850.86/657,882.18 = 158,302.50/x
  3. Step 3: Cross multiply
    438,850.86x = 657,882.18 × 158,302.50
  4. Step 4: Simplify right side
    438,850.86x = 104,144,393,799.45
  5. Step 5: Solve for x
    x = 104,144,393,799.45/438,850.86
  6. Step 6: Final answer
    x = 237,311.59

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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.