Home / 281,407.45-388,339.32-152,343.04

Finding the Fourth Proportional to 281,407.45, 388,339.32 and 152,343.04

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Solution

The fourth proportional to 281,407.45, 388,339.32 and 152,343.04 is: 210,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,407.45 : 388,339.32 = 152,343.04 : x
  2. Step 2: Convert to fraction form
    281,407.45/388,339.32 = 152,343.04/x
  3. Step 3: Cross multiply
    281,407.45x = 388,339.32 × 152,343.04
  4. Step 4: Simplify right side
    281,407.45x = 59,160,792,560.33
  5. Step 5: Solve for x
    x = 59,160,792,560.33/281,407.45
  6. Step 6: Final answer
    x = 210,231.79

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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.