Home / 479,233.40-718,850.10-198,721.40

Finding the Fourth Proportional to 479,233.40, 718,850.10 and 198,721.40

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Solution

The fourth proportional to 479,233.40, 718,850.10 and 198,721.40 is: 298,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,233.40 : 718,850.10 = 198,721.40 : x
  2. Step 2: Convert to fraction form
    479,233.40/718,850.10 = 198,721.40/x
  3. Step 3: Cross multiply
    479,233.40x = 718,850.10 × 198,721.40
  4. Step 4: Simplify right side
    479,233.40x = 142,850,898,262.14
  5. Step 5: Solve for x
    x = 142,850,898,262.14/479,233.40
  6. Step 6: Final answer
    x = 298,082.10

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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.