Home / 268,348.87-370,321.56-147,489.16

Finding the Fourth Proportional to 268,348.87, 370,321.56 and 147,489.16

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Solution

The fourth proportional to 268,348.87, 370,321.56 and 147,489.16 is: 203,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,348.87 : 370,321.56 = 147,489.16 : x
  2. Step 2: Convert to fraction form
    268,348.87/370,321.56 = 147,489.16/x
  3. Step 3: Cross multiply
    268,348.87x = 370,321.56 × 147,489.16
  4. Step 4: Simplify right side
    268,348.87x = 54,618,415,814.29
  5. Step 5: Solve for x
    x = 54,618,415,814.29/268,348.87
  6. Step 6: Final answer
    x = 203,535.11

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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.