Home / 219,230.07-327,895.17-129,057.90

Finding the Fourth Proportional to 219,230.07, 327,895.17 and 129,057.90

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Solution

The fourth proportional to 219,230.07, 327,895.17 and 129,057.90 is: 193,027.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,230.07 : 327,895.17 = 129,057.90 : x
  2. Step 2: Convert to fraction form
    219,230.07/327,895.17 = 129,057.90/x
  3. Step 3: Cross multiply
    219,230.07x = 327,895.17 × 129,057.90
  4. Step 4: Simplify right side
    219,230.07x = 42,317,462,060.34
  5. Step 5: Solve for x
    x = 42,317,462,060.34/219,230.07
  6. Step 6: Final answer
    x = 193,027.64

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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.