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Finding the Fourth Proportional to 445,780.64, 615,179.14 and 254,800.46

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Solution

The fourth proportional to 445,780.64, 615,179.14 and 254,800.46 is: 351,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,780.64 : 615,179.14 = 254,800.46 : x
  2. Step 2: Convert to fraction form
    445,780.64/615,179.14 = 254,800.46/x
  3. Step 3: Cross multiply
    445,780.64x = 615,179.14 × 254,800.46
  4. Step 4: Simplify right side
    445,780.64x = 156,747,927,854.40
  5. Step 5: Solve for x
    x = 156,747,927,854.40/445,780.64
  6. Step 6: Final answer
    x = 351,625.70

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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.