Home / 480,200.16-720,081.36-199,549.92

Finding the Fourth Proportional to 480,200.16, 720,081.36 and 199,549.92

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Solution

The fourth proportional to 480,200.16, 720,081.36 and 199,549.92 is: 299,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,200.16 : 720,081.36 = 199,549.92 : x
  2. Step 2: Convert to fraction form
    480,200.16/720,081.36 = 199,549.92/x
  3. Step 3: Cross multiply
    480,200.16x = 720,081.36 × 199,549.92
  4. Step 4: Simplify right side
    480,200.16x = 143,692,177,781.49
  5. Step 5: Solve for x
    x = 143,692,177,781.49/480,200.16
  6. Step 6: Final answer
    x = 299,233.92

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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.