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Finding the Fourth Proportional to 525,175.20, 787,762.80 and 170,200.80

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Solution

The fourth proportional to 525,175.20, 787,762.80 and 170,200.80 is: 255,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,175.20 : 787,762.80 = 170,200.80 : x
  2. Step 2: Convert to fraction form
    525,175.20/787,762.80 = 170,200.80/x
  3. Step 3: Cross multiply
    525,175.20x = 787,762.80 × 170,200.80
  4. Step 4: Simplify right side
    525,175.20x = 134,077,858,770.24
  5. Step 5: Solve for x
    x = 134,077,858,770.24/525,175.20
  6. Step 6: Final answer
    x = 255,301.20

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Similar ratio
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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.