Home / 278,077.20-417,504.60-173,101.20

Finding the Fourth Proportional to 278,077.20, 417,504.60 and 173,101.20

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Solution

The fourth proportional to 278,077.20, 417,504.60 and 173,101.20 is: 259,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,077.20 : 417,504.60 = 173,101.20 : x
  2. Step 2: Convert to fraction form
    278,077.20/417,504.60 = 173,101.20/x
  3. Step 3: Cross multiply
    278,077.20x = 417,504.60 × 173,101.20
  4. Step 4: Simplify right side
    278,077.20x = 72,270,547,265.52
  5. Step 5: Solve for x
    x = 72,270,547,265.52/278,077.20
  6. Step 6: Final answer
    x = 259,893.83

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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.