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Finding the Fourth Proportional to 217,760.76, 300,542.40 and 132,927.12

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Solution

The fourth proportional to 217,760.76, 300,542.40 and 132,927.12 is: 183,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,760.76 : 300,542.40 = 132,927.12 : x
  2. Step 2: Convert to fraction form
    217,760.76/300,542.40 = 132,927.12/x
  3. Step 3: Cross multiply
    217,760.76x = 300,542.40 × 132,927.12
  4. Step 4: Simplify right side
    217,760.76x = 39,950,235,669.89
  5. Step 5: Solve for x
    x = 39,950,235,669.89/217,760.76
  6. Step 6: Final answer
    x = 183,459.30

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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.