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Finding the Fourth Proportional to 187,602.28, 281,337 and 69,241.84

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Solution

The fourth proportional to 187,602.28, 281,337 and 69,241.84 is: 103,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,602.28 : 281,337 = 69,241.84 : x
  2. Step 2: Convert to fraction form
    187,602.28/281,337 = 69,241.84/x
  3. Step 3: Cross multiply
    187,602.28x = 281,337 × 69,241.84
  4. Step 4: Simplify right side
    187,602.28x = 19,480,291,540.08
  5. Step 5: Solve for x
    x = 19,480,291,540.08/187,602.28
  6. Step 6: Final answer
    x = 103,838.25

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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.