Home / 525,179.60-787,769.40-170,205.20

Finding the Fourth Proportional to 525,179.60, 787,769.40 and 170,205.20

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Solution

The fourth proportional to 525,179.60, 787,769.40 and 170,205.20 is: 255,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,179.60 : 787,769.40 = 170,205.20 : x
  2. Step 2: Convert to fraction form
    525,179.60/787,769.40 = 170,205.20/x
  3. Step 3: Cross multiply
    525,179.60x = 787,769.40 × 170,205.20
  4. Step 4: Simplify right side
    525,179.60x = 134,082,448,280.88
  5. Step 5: Solve for x
    x = 134,082,448,280.88/525,179.60
  6. Step 6: Final answer
    x = 255,307.80

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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.