Home / 245,034.24-338,178.56-149,520.64

Finding the Fourth Proportional to 245,034.24, 338,178.56 and 149,520.64

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Solution

The fourth proportional to 245,034.24, 338,178.56 and 149,520.64 is: 206,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,034.24 : 338,178.56 = 149,520.64 : x
  2. Step 2: Convert to fraction form
    245,034.24/338,178.56 = 149,520.64/x
  3. Step 3: Cross multiply
    245,034.24x = 338,178.56 × 149,520.64
  4. Step 4: Simplify right side
    245,034.24x = 50,564,674,725.48
  5. Step 5: Solve for x
    x = 50,564,674,725.48/245,034.24
  6. Step 6: Final answer
    x = 206,357.59

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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.