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Finding the Fourth Proportional to 445,753.76, 614,990.52 and 254,631.80

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Solution

The fourth proportional to 445,753.76, 614,990.52 and 254,631.80 is: 351,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,753.76 : 614,990.52 = 254,631.80 : x
  2. Step 2: Convert to fraction form
    445,753.76/614,990.52 = 254,631.80/x
  3. Step 3: Cross multiply
    445,753.76x = 614,990.52 × 254,631.80
  4. Step 4: Simplify right side
    445,753.76x = 156,596,143,090.54
  5. Step 5: Solve for x
    x = 156,596,143,090.54/445,753.76
  6. Step 6: Final answer
    x = 351,306.39

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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.