Home / 268,631.27-370,712.01-147,781.75

Finding the Fourth Proportional to 268,631.27, 370,712.01 and 147,781.75

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Solution

The fourth proportional to 268,631.27, 370,712.01 and 147,781.75 is: 203,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,631.27 : 370,712.01 = 147,781.75 : x
  2. Step 2: Convert to fraction form
    268,631.27/370,712.01 = 147,781.75/x
  3. Step 3: Cross multiply
    268,631.27x = 370,712.01 × 147,781.75
  4. Step 4: Simplify right side
    268,631.27x = 54,784,466,991.35
  5. Step 5: Solve for x
    x = 54,784,466,991.35/268,631.27
  6. Step 6: Final answer
    x = 203,939.28

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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.