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Finding the Fourth Proportional to 281,552.76, 388,549.08 and 160,691.62

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Solution

The fourth proportional to 281,552.76, 388,549.08 and 160,691.62 is: 221,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,552.76 : 388,549.08 = 160,691.62 : x
  2. Step 2: Convert to fraction form
    281,552.76/388,549.08 = 160,691.62/x
  3. Step 3: Cross multiply
    281,552.76x = 388,549.08 × 160,691.62
  4. Step 4: Simplify right side
    281,552.76x = 62,436,581,114.71
  5. Step 5: Solve for x
    x = 62,436,581,114.71/281,552.76
  6. Step 6: Final answer
    x = 221,758.01

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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.