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Finding the Fourth Proportional to 445,139.76, 614,279.52 and 254,115.84

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Solution

The fourth proportional to 445,139.76, 614,279.52 and 254,115.84 is: 350,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,139.76 : 614,279.52 = 254,115.84 : x
  2. Step 2: Convert to fraction form
    445,139.76/614,279.52 = 254,115.84/x
  3. Step 3: Cross multiply
    445,139.76x = 614,279.52 × 254,115.84
  4. Step 4: Simplify right side
    445,139.76x = 156,098,156,219.60
  5. Step 5: Solve for x
    x = 156,098,156,219.60/445,139.76
  6. Step 6: Final answer
    x = 350,672.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.