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Finding the Fourth Proportional to 170,091.52, 256,734.88 and 170,091.52

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Solution

The fourth proportional to 170,091.52, 256,734.88 and 170,091.52 is: 256,734.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,091.52 : 256,734.88 = 170,091.52 : x
  2. Step 2: Convert to fraction form
    170,091.52/256,734.88 = 170,091.52/x
  3. Step 3: Cross multiply
    170,091.52x = 256,734.88 × 170,091.52
  4. Step 4: Simplify right side
    170,091.52x = 43,668,425,976.22
  5. Step 5: Solve for x
    x = 43,668,425,976.22/170,091.52
  6. Step 6: Final answer
    x = 256,734.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.