Home / 202,242.83-280,275.03-199,388.79

Finding the Fourth Proportional to 202,242.83, 280,275.03 and 199,388.79

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Solution

The fourth proportional to 202,242.83, 280,275.03 and 199,388.79 is: 276,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,242.83 : 280,275.03 = 199,388.79 : x
  2. Step 2: Convert to fraction form
    202,242.83/280,275.03 = 199,388.79/x
  3. Step 3: Cross multiply
    202,242.83x = 280,275.03 × 199,388.79
  4. Step 4: Simplify right side
    202,242.83x = 55,883,699,098.91
  5. Step 5: Solve for x
    x = 55,883,699,098.91/202,242.83
  6. Step 6: Final answer
    x = 276,319.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.