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Finding the Fourth Proportional to 446,085, 615,517.92 and 252,491.76

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Solution

The fourth proportional to 446,085, 615,517.92 and 252,491.76 is: 348,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,085 : 615,517.92 = 252,491.76 : x
  2. Step 2: Convert to fraction form
    446,085/615,517.92 = 252,491.76/x
  3. Step 3: Cross multiply
    446,085x = 615,517.92 × 252,491.76
  4. Step 4: Simplify right side
    446,085x = 155,413,202,932.34
  5. Step 5: Solve for x
    x = 155,413,202,932.34/446,085
  6. Step 6: Final answer
    x = 348,393.70

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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.