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Finding the Fourth Proportional to 206,662.40, 310,022.40 and 88,332.80

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Solution

The fourth proportional to 206,662.40, 310,022.40 and 88,332.80 is: 132,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,662.40 : 310,022.40 = 88,332.80 : x
  2. Step 2: Convert to fraction form
    206,662.40/310,022.40 = 88,332.80/x
  3. Step 3: Cross multiply
    206,662.40x = 310,022.40 × 88,332.80
  4. Step 4: Simplify right side
    206,662.40x = 27,385,146,654.72
  5. Step 5: Solve for x
    x = 27,385,146,654.72/206,662.40
  6. Step 6: Final answer
    x = 132,511.51

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1.5x scale

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.