Home / 308,087.20-425,145.12-172,094.16

Finding the Fourth Proportional to 308,087.20, 425,145.12 and 172,094.16

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Solution

The fourth proportional to 308,087.20, 425,145.12 and 172,094.16 is: 237,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,087.20 : 425,145.12 = 172,094.16 : x
  2. Step 2: Convert to fraction form
    308,087.20/425,145.12 = 172,094.16/x
  3. Step 3: Cross multiply
    308,087.20x = 425,145.12 × 172,094.16
  4. Step 4: Simplify right side
    308,087.20x = 73,164,992,304.50
  5. Step 5: Solve for x
    x = 73,164,992,304.50/308,087.20
  6. Step 6: Final answer
    x = 237,481.44

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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.