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Finding the Fourth Proportional to 183,221.90, 274,614.15 and 94,429.70

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Solution

The fourth proportional to 183,221.90, 274,614.15 and 94,429.70 is: 141,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,221.90 : 274,614.15 = 94,429.70 : x
  2. Step 2: Convert to fraction form
    183,221.90/274,614.15 = 94,429.70/x
  3. Step 3: Cross multiply
    183,221.90x = 274,614.15 × 94,429.70
  4. Step 4: Simplify right side
    183,221.90x = 25,931,731,800.26
  5. Step 5: Solve for x
    x = 25,931,731,800.26/183,221.90
  6. Step 6: Final answer
    x = 141,531.84

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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.