Home / 498,199.74-687,532.23-271,857.66

Finding the Fourth Proportional to 498,199.74, 687,532.23 and 271,857.66

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Solution

The fourth proportional to 498,199.74, 687,532.23 and 271,857.66 is: 375,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,199.74 : 687,532.23 = 271,857.66 : x
  2. Step 2: Convert to fraction form
    498,199.74/687,532.23 = 271,857.66/x
  3. Step 3: Cross multiply
    498,199.74x = 687,532.23 × 271,857.66
  4. Step 4: Simplify right side
    498,199.74x = 186,910,903,222.38
  5. Step 5: Solve for x
    x = 186,910,903,222.38/498,199.74
  6. Step 6: Final answer
    x = 375,172.62

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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.