Home / 268,355.23-370,338.68-147,505.86

Finding the Fourth Proportional to 268,355.23, 370,338.68 and 147,505.86

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Solution

The fourth proportional to 268,355.23, 370,338.68 and 147,505.86 is: 203,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,355.23 : 370,338.68 = 147,505.86 : x
  2. Step 2: Convert to fraction form
    268,355.23/370,338.68 = 147,505.86/x
  3. Step 3: Cross multiply
    268,355.23x = 370,338.68 × 147,505.86
  4. Step 4: Simplify right side
    268,355.23x = 54,627,125,853.43
  5. Step 5: Solve for x
    x = 54,627,125,853.43/268,355.23
  6. Step 6: Final answer
    x = 203,562.74

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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.