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Finding the Fourth Proportional to 170,833.40, 256,250.10 and 168,500.60

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Solution

The fourth proportional to 170,833.40, 256,250.10 and 168,500.60 is: 252,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,833.40 : 256,250.10 = 168,500.60 : x
  2. Step 2: Convert to fraction form
    170,833.40/256,250.10 = 168,500.60/x
  3. Step 3: Cross multiply
    170,833.40x = 256,250.10 × 168,500.60
  4. Step 4: Simplify right side
    170,833.40x = 43,178,295,600.06
  5. Step 5: Solve for x
    x = 43,178,295,600.06/170,833.40
  6. Step 6: Final answer
    x = 252,750.90

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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.