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Finding the Fourth Proportional to 442,259.60, 662,659.80 and 254,944.40

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Solution

The fourth proportional to 442,259.60, 662,659.80 and 254,944.40 is: 381,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,259.60 : 662,659.80 = 254,944.40 : x
  2. Step 2: Convert to fraction form
    442,259.60/662,659.80 = 254,944.40/x
  3. Step 3: Cross multiply
    442,259.60x = 662,659.80 × 254,944.40
  4. Step 4: Simplify right side
    442,259.60x = 168,941,405,115.12
  5. Step 5: Solve for x
    x = 168,941,405,115.12/442,259.60
  6. Step 6: Final answer
    x = 381,996.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.