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Finding the Fourth Proportional to 170,829.40, 256,244.10 and 65,650.90

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Solution

The fourth proportional to 170,829.40, 256,244.10 and 65,650.90 is: 98,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829.40 : 256,244.10 = 65,650.90 : x
  2. Step 2: Convert to fraction form
    170,829.40/256,244.10 = 65,650.90/x
  3. Step 3: Cross multiply
    170,829.40x = 256,244.10 × 65,650.90
  4. Step 4: Simplify right side
    170,829.40x = 16,822,655,784.69
  5. Step 5: Solve for x
    x = 16,822,655,784.69/170,829.40
  6. Step 6: Final answer
    x = 98,476.35

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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.