Home / 422,944.10-634,558.30-156,726.06

Finding the Fourth Proportional to 422,944.10, 634,558.30 and 156,726.06

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Solution

The fourth proportional to 422,944.10, 634,558.30 and 156,726.06 is: 235,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,944.10 : 634,558.30 = 156,726.06 : x
  2. Step 2: Convert to fraction form
    422,944.10/634,558.30 = 156,726.06/x
  3. Step 3: Cross multiply
    422,944.10x = 634,558.30 × 156,726.06
  4. Step 4: Simplify right side
    422,944.10x = 99,451,822,199.30
  5. Step 5: Solve for x
    x = 99,451,822,199.30/422,944.10
  6. Step 6: Final answer
    x = 235,141.77

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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.