Home / 281,532.16-388,520.64-160,671.04

Finding the Fourth Proportional to 281,532.16, 388,520.64 and 160,671.04

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Solution

The fourth proportional to 281,532.16, 388,520.64 and 160,671.04 is: 221,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,532.16 : 388,520.64 = 160,671.04 : x
  2. Step 2: Convert to fraction form
    281,532.16/388,520.64 = 160,671.04/x
  3. Step 3: Cross multiply
    281,532.16x = 388,520.64 × 160,671.04
  4. Step 4: Simplify right side
    281,532.16x = 62,424,015,290.27
  5. Step 5: Solve for x
    x = 62,424,015,290.27/281,532.16
  6. Step 6: Final answer
    x = 221,729.61

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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.