Home / 281,552.75-388,549.07-160,691.61

Finding the Fourth Proportional to 281,552.75, 388,549.07 and 160,691.61

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Solution

The fourth proportional to 281,552.75, 388,549.07 and 160,691.61 is: 221,758.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,552.75 : 388,549.07 = 160,691.61 : x
  2. Step 2: Convert to fraction form
    281,552.75/388,549.07 = 160,691.61/x
  3. Step 3: Cross multiply
    281,552.75x = 388,549.07 × 160,691.61
  4. Step 4: Simplify right side
    281,552.75x = 62,436,575,622.30
  5. Step 5: Solve for x
    x = 62,436,575,622.30/281,552.75
  6. Step 6: Final answer
    x = 221,758.00

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1.5x scale

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.