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Finding the Fourth Proportional to 445,034.64, 614,152.08 and 254,047.44

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Solution

The fourth proportional to 445,034.64, 614,152.08 and 254,047.44 is: 350,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,034.64 : 614,152.08 = 254,047.44 : x
  2. Step 2: Convert to fraction form
    445,034.64/614,152.08 = 254,047.44/x
  3. Step 3: Cross multiply
    445,034.64x = 614,152.08 × 254,047.44
  4. Step 4: Simplify right side
    445,034.64x = 156,023,763,694.68
  5. Step 5: Solve for x
    x = 156,023,763,694.68/445,034.64
  6. Step 6: Final answer
    x = 350,587.91

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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.