Home / 268,209.14-370,135.13-147,358.25

Finding the Fourth Proportional to 268,209.14, 370,135.13 and 147,358.25

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Solution

The fourth proportional to 268,209.14, 370,135.13 and 147,358.25 is: 203,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,209.14 : 370,135.13 = 147,358.25 : x
  2. Step 2: Convert to fraction form
    268,209.14/370,135.13 = 147,358.25/x
  3. Step 3: Cross multiply
    268,209.14x = 370,135.13 × 147,358.25
  4. Step 4: Simplify right side
    268,209.14x = 54,542,465,020.32
  5. Step 5: Solve for x
    x = 54,542,465,020.32/268,209.14
  6. Step 6: Final answer
    x = 203,357.97

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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.