Home / 253,917.28-350,417.22-145,031.08

Finding the Fourth Proportional to 253,917.28, 350,417.22 and 145,031.08

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Solution

The fourth proportional to 253,917.28, 350,417.22 and 145,031.08 is: 200,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,917.28 : 350,417.22 = 145,031.08 : x
  2. Step 2: Convert to fraction form
    253,917.28/350,417.22 = 145,031.08/x
  3. Step 3: Cross multiply
    253,917.28x = 350,417.22 × 145,031.08
  4. Step 4: Simplify right side
    253,917.28x = 50,821,387,867.20
  5. Step 5: Solve for x
    x = 50,821,387,867.20/253,917.28
  6. Step 6: Final answer
    x = 200,149.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.