Home / 525,200.64-787,635.72-170,132.28

Finding the Fourth Proportional to 525,200.64, 787,635.72 and 170,132.28

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Solution

The fourth proportional to 525,200.64, 787,635.72 and 170,132.28 is: 255,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,200.64 : 787,635.72 = 170,132.28 : x
  2. Step 2: Convert to fraction form
    525,200.64/787,635.72 = 170,132.28/x
  3. Step 3: Cross multiply
    525,200.64x = 787,635.72 × 170,132.28
  4. Step 4: Simplify right side
    525,200.64x = 134,002,260,853.04
  5. Step 5: Solve for x
    x = 134,002,260,853.04/525,200.64
  6. Step 6: Final answer
    x = 255,144.89

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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.