Home / 268,221.60-370,145.16-147,371.04

Finding the Fourth Proportional to 268,221.60, 370,145.16 and 147,371.04

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Solution

The fourth proportional to 268,221.60, 370,145.16 and 147,371.04 is: 203,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,221.60 : 370,145.16 = 147,371.04 : x
  2. Step 2: Convert to fraction form
    268,221.60/370,145.16 = 147,371.04/x
  3. Step 3: Cross multiply
    268,221.60x = 370,145.16 × 147,371.04
  4. Step 4: Simplify right side
    268,221.60x = 54,548,677,180.17
  5. Step 5: Solve for x
    x = 54,548,677,180.17/268,221.60
  6. Step 6: Final answer
    x = 203,371.68

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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.