Home / 268,231.46-370,159.90-147,371.70

Finding the Fourth Proportional to 268,231.46, 370,159.90 and 147,371.70

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Solution

The fourth proportional to 268,231.46, 370,159.90 and 147,371.70 is: 203,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,231.46 : 370,159.90 = 147,371.70 : x
  2. Step 2: Convert to fraction form
    268,231.46/370,159.90 = 147,371.70/x
  3. Step 3: Cross multiply
    268,231.46x = 370,159.90 × 147,371.70
  4. Step 4: Simplify right side
    268,231.46x = 54,551,093,366.40
  5. Step 5: Solve for x
    x = 54,551,093,366.40/268,231.46
  6. Step 6: Final answer
    x = 203,373.21

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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.