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Finding the Fourth Proportional to 177,709.88, 266,578.60 and 59,381.64

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Solution

The fourth proportional to 177,709.88, 266,578.60 and 59,381.64 is: 89,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,709.88 : 266,578.60 = 59,381.64 : x
  2. Step 2: Convert to fraction form
    177,709.88/266,578.60 = 59,381.64/x
  3. Step 3: Cross multiply
    177,709.88x = 266,578.60 × 59,381.64
  4. Step 4: Simplify right side
    177,709.88x = 15,829,873,272.47
  5. Step 5: Solve for x
    x = 15,829,873,272.47/177,709.88
  6. Step 6: Final answer
    x = 89,077.06

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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.