Home / 671,812.20-1,007,718.30-198,502.20

Finding the Fourth Proportional to 671,812.20, 1,007,718.30 and 198,502.20

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Solution

The fourth proportional to 671,812.20, 1,007,718.30 and 198,502.20 is: 297,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,812.20 : 1,007,718.30 = 198,502.20 : x
  2. Step 2: Convert to fraction form
    671,812.20/1,007,718.30 = 198,502.20/x
  3. Step 3: Cross multiply
    671,812.20x = 1,007,718.30 × 198,502.20
  4. Step 4: Simplify right side
    671,812.20x = 200,034,299,530.26
  5. Step 5: Solve for x
    x = 200,034,299,530.26/671,812.20
  6. Step 6: Final answer
    x = 297,753.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.