Home / 278,452.39-417,675.05-88,910.35

Finding the Fourth Proportional to 278,452.39, 417,675.05 and 88,910.35

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Solution

The fourth proportional to 278,452.39, 417,675.05 and 88,910.35 is: 133,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,452.39 : 417,675.05 = 88,910.35 : x
  2. Step 2: Convert to fraction form
    278,452.39/417,675.05 = 88,910.35/x
  3. Step 3: Cross multiply
    278,452.39x = 417,675.05 × 88,910.35
  4. Step 4: Simplify right side
    278,452.39x = 37,135,632,348.84
  5. Step 5: Solve for x
    x = 37,135,632,348.84/278,452.39
  6. Step 6: Final answer
    x = 133,364.39

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1.5x scale

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.