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Finding the Fourth Proportional to 445,952.64, 615,415.05 and 254,970.03

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Solution

The fourth proportional to 445,952.64, 615,415.05 and 254,970.03 is: 351,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,952.64 : 615,415.05 = 254,970.03 : x
  2. Step 2: Convert to fraction form
    445,952.64/615,415.05 = 254,970.03/x
  3. Step 3: Cross multiply
    445,952.64x = 615,415.05 × 254,970.03
  4. Step 4: Simplify right side
    445,952.64x = 156,912,393,760.95
  5. Step 5: Solve for x
    x = 156,912,393,760.95/445,952.64
  6. Step 6: Final answer
    x = 351,858.87

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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.