Home / 296,773.09-445,155.66-72,132.88

Finding the Fourth Proportional to 296,773.09, 445,155.66 and 72,132.88

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Solution

The fourth proportional to 296,773.09, 445,155.66 and 72,132.88 is: 108,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,773.09 : 445,155.66 = 72,132.88 : x
  2. Step 2: Convert to fraction form
    296,773.09/445,155.66 = 72,132.88/x
  3. Step 3: Cross multiply
    296,773.09x = 445,155.66 × 72,132.88
  4. Step 4: Simplify right side
    296,773.09x = 32,110,359,804.10
  5. Step 5: Solve for x
    x = 32,110,359,804.10/296,773.09
  6. Step 6: Final answer
    x = 108,198.35

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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.