Home / 281,404.45-388,335.18-152,340.04

Finding the Fourth Proportional to 281,404.45, 388,335.18 and 152,340.04

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Solution

The fourth proportional to 281,404.45, 388,335.18 and 152,340.04 is: 210,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,404.45 : 388,335.18 = 152,340.04 : x
  2. Step 2: Convert to fraction form
    281,404.45/388,335.18 = 152,340.04/x
  3. Step 3: Cross multiply
    281,404.45x = 388,335.18 × 152,340.04
  4. Step 4: Simplify right side
    281,404.45x = 59,158,994,912.93
  5. Step 5: Solve for x
    x = 59,158,994,912.93/281,404.45
  6. Step 6: Final answer
    x = 210,227.65

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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.