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Finding the Fourth Proportional to 254,472.60, 381,465.90 and 94,505.70

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Solution

The fourth proportional to 254,472.60, 381,465.90 and 94,505.70 is: 141,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,472.60 : 381,465.90 = 94,505.70 : x
  2. Step 2: Convert to fraction form
    254,472.60/381,465.90 = 94,505.70/x
  3. Step 3: Cross multiply
    254,472.60x = 381,465.90 × 94,505.70
  4. Step 4: Simplify right side
    254,472.60x = 36,050,701,905.63
  5. Step 5: Solve for x
    x = 36,050,701,905.63/254,472.60
  6. Step 6: Final answer
    x = 141,668.30

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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.