Home / 245,031.12-338,179.56-149,593.26

Finding the Fourth Proportional to 245,031.12, 338,179.56 and 149,593.26

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Solution

The fourth proportional to 245,031.12, 338,179.56 and 149,593.26 is: 206,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,031.12 : 338,179.56 = 149,593.26 : x
  2. Step 2: Convert to fraction form
    245,031.12/338,179.56 = 149,593.26/x
  3. Step 3: Cross multiply
    245,031.12x = 338,179.56 × 149,593.26
  4. Step 4: Simplify right side
    245,031.12x = 50,589,382,845.77
  5. Step 5: Solve for x
    x = 50,589,382,845.77/245,031.12
  6. Step 6: Final answer
    x = 206,461.05

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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.