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Finding the Fourth Proportional to 217,053.60, 299,549.82 and 131,033.73

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Solution

The fourth proportional to 217,053.60, 299,549.82 and 131,033.73 is: 180,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,053.60 : 299,549.82 = 131,033.73 : x
  2. Step 2: Convert to fraction form
    217,053.60/299,549.82 = 131,033.73/x
  3. Step 3: Cross multiply
    217,053.60x = 299,549.82 × 131,033.73
  4. Step 4: Simplify right side
    217,053.60x = 39,251,130,235.43
  5. Step 5: Solve for x
    x = 39,251,130,235.43/217,053.60
  6. Step 6: Final answer
    x = 180,836.12

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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.