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Finding the Fourth Proportional to 363,641.32, 544,455.96 and 185,765.32

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Solution

The fourth proportional to 363,641.32, 544,455.96 and 185,765.32 is: 278,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,641.32 : 544,455.96 = 185,765.32 : x
  2. Step 2: Convert to fraction form
    363,641.32/544,455.96 = 185,765.32/x
  3. Step 3: Cross multiply
    363,641.32x = 544,455.96 × 185,765.32
  4. Step 4: Simplify right side
    363,641.32x = 101,141,035,635.31
  5. Step 5: Solve for x
    x = 101,141,035,635.31/363,641.32
  6. Step 6: Final answer
    x = 278,134.06

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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.