Home / 268,121.72-370,011.02-147,265.83

Finding the Fourth Proportional to 268,121.72, 370,011.02 and 147,265.83

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Solution

The fourth proportional to 268,121.72, 370,011.02 and 147,265.83 is: 203,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,121.72 : 370,011.02 = 147,265.83 : x
  2. Step 2: Convert to fraction form
    268,121.72/370,011.02 = 147,265.83/x
  3. Step 3: Cross multiply
    268,121.72x = 370,011.02 × 147,265.83
  4. Step 4: Simplify right side
    268,121.72x = 54,489,979,233.12
  5. Step 5: Solve for x
    x = 54,489,979,233.12/268,121.72
  6. Step 6: Final answer
    x = 203,228.51

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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.