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Finding the Fourth Proportional to 170,814.80, 256,260.60 and 52,491.60

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Solution

The fourth proportional to 170,814.80, 256,260.60 and 52,491.60 is: 78,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,814.80 : 256,260.60 = 52,491.60 : x
  2. Step 2: Convert to fraction form
    170,814.80/256,260.60 = 52,491.60/x
  3. Step 3: Cross multiply
    170,814.80x = 256,260.60 × 52,491.60
  4. Step 4: Simplify right side
    170,814.80x = 13,451,528,910.96
  5. Step 5: Solve for x
    x = 13,451,528,910.96/170,814.80
  6. Step 6: Final answer
    x = 78,749.20

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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.