Home / 422,844.18-634,180.14-156,541.38

Finding the Fourth Proportional to 422,844.18, 634,180.14 and 156,541.38

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Solution

The fourth proportional to 422,844.18, 634,180.14 and 156,541.38 is: 234,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,844.18 : 634,180.14 = 156,541.38 : x
  2. Step 2: Convert to fraction form
    422,844.18/634,180.14 = 156,541.38/x
  3. Step 3: Cross multiply
    422,844.18x = 634,180.14 × 156,541.38
  4. Step 4: Simplify right side
    422,844.18x = 99,275,434,284.19
  5. Step 5: Solve for x
    x = 99,275,434,284.19/422,844.18
  6. Step 6: Final answer
    x = 234,780.18

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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.