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Finding the Fourth Proportional to 170,000.40, 255,000.60 and 150,317.40

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Solution

The fourth proportional to 170,000.40, 255,000.60 and 150,317.40 is: 225,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,000.40 : 255,000.60 = 150,317.40 : x
  2. Step 2: Convert to fraction form
    170,000.40/255,000.60 = 150,317.40/x
  3. Step 3: Cross multiply
    170,000.40x = 255,000.60 × 150,317.40
  4. Step 4: Simplify right side
    170,000.40x = 38,331,027,190.44
  5. Step 5: Solve for x
    x = 38,331,027,190.44/170,000.40
  6. Step 6: Final answer
    x = 225,476.10

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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.