Home / 227,822.14-341,781.53-78,022.20

Finding the Fourth Proportional to 227,822.14, 341,781.53 and 78,022.20

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Solution

The fourth proportional to 227,822.14, 341,781.53 and 78,022.20 is: 117,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,822.14 : 341,781.53 = 78,022.20 : x
  2. Step 2: Convert to fraction form
    227,822.14/341,781.53 = 78,022.20/x
  3. Step 3: Cross multiply
    227,822.14x = 341,781.53 × 78,022.20
  4. Step 4: Simplify right side
    227,822.14x = 26,666,547,781.54
  5. Step 5: Solve for x
    x = 26,666,547,781.54/227,822.14
  6. Step 6: Final answer
    x = 117,049.85

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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.