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Finding the Fourth Proportional to 207,298.73, 310,449.78 and 118,282.35

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Solution

The fourth proportional to 207,298.73, 310,449.78 and 118,282.35 is: 177,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,298.73 : 310,449.78 = 118,282.35 : x
  2. Step 2: Convert to fraction form
    207,298.73/310,449.78 = 118,282.35/x
  3. Step 3: Cross multiply
    207,298.73x = 310,449.78 × 118,282.35
  4. Step 4: Simplify right side
    207,298.73x = 36,720,729,535.38
  5. Step 5: Solve for x
    x = 36,720,729,535.38/207,298.73
  6. Step 6: Final answer
    x = 177,139.20

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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.