Home / 422,657.60-634,082.07-242,826.05

Finding the Fourth Proportional to 422,657.60, 634,082.07 and 242,826.05

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Solution

The fourth proportional to 422,657.60, 634,082.07 and 242,826.05 is: 364,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,657.60 : 634,082.07 = 242,826.05 : x
  2. Step 2: Convert to fraction form
    422,657.60/634,082.07 = 242,826.05/x
  3. Step 3: Cross multiply
    422,657.60x = 634,082.07 × 242,826.05
  4. Step 4: Simplify right side
    422,657.60x = 153,971,646,929.73
  5. Step 5: Solve for x
    x = 153,971,646,929.73/422,657.60
  6. Step 6: Final answer
    x = 364,294.05

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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.