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Finding the Fourth Proportional to 170,667.10, 256,000.65 and 151,640.20

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Solution

The fourth proportional to 170,667.10, 256,000.65 and 151,640.20 is: 227,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,667.10 : 256,000.65 = 151,640.20 : x
  2. Step 2: Convert to fraction form
    170,667.10/256,000.65 = 151,640.20/x
  3. Step 3: Cross multiply
    170,667.10x = 256,000.65 × 151,640.20
  4. Step 4: Simplify right side
    170,667.10x = 38,819,989,766.13
  5. Step 5: Solve for x
    x = 38,819,989,766.13/170,667.10
  6. Step 6: Final answer
    x = 227,460.30

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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.