Home / 268,387.90-370,371.15-147,526.60

Finding the Fourth Proportional to 268,387.90, 370,371.15 and 147,526.60

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Solution

The fourth proportional to 268,387.90, 370,371.15 and 147,526.60 is: 203,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,387.90 : 370,371.15 = 147,526.60 : x
  2. Step 2: Convert to fraction form
    268,387.90/370,371.15 = 147,526.60/x
  3. Step 3: Cross multiply
    268,387.90x = 370,371.15 × 147,526.60
  4. Step 4: Simplify right side
    268,387.90x = 54,639,596,497.59
  5. Step 5: Solve for x
    x = 54,639,596,497.59/268,387.90
  6. Step 6: Final answer
    x = 203,584.43

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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.