Home / 308,546.13-425,833.08-172,587.63

Finding the Fourth Proportional to 308,546.13, 425,833.08 and 172,587.63

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Solution

The fourth proportional to 308,546.13, 425,833.08 and 172,587.63 is: 238,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,546.13 : 425,833.08 = 172,587.63 : x
  2. Step 2: Convert to fraction form
    308,546.13/425,833.08 = 172,587.63/x
  3. Step 3: Cross multiply
    308,546.13x = 425,833.08 × 172,587.63
  4. Step 4: Simplify right side
    308,546.13x = 73,493,522,052.80
  5. Step 5: Solve for x
    x = 73,493,522,052.80/308,546.13
  6. Step 6: Final answer
    x = 238,192.98

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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.