Home / 525,109.20-787,740.60-170,062.80

Finding the Fourth Proportional to 525,109.20, 787,740.60 and 170,062.80

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Solution

The fourth proportional to 525,109.20, 787,740.60 and 170,062.80 is: 255,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,109.20 : 787,740.60 = 170,062.80 : x
  2. Step 2: Convert to fraction form
    525,109.20/787,740.60 = 170,062.80/x
  3. Step 3: Cross multiply
    525,109.20x = 787,740.60 × 170,062.80
  4. Step 4: Simplify right side
    525,109.20x = 133,965,372,109.68
  5. Step 5: Solve for x
    x = 133,965,372,109.68/525,109.20
  6. Step 6: Final answer
    x = 255,119.07

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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.