Home / 245,397.19-338,509.82-147,255.04

Finding the Fourth Proportional to 245,397.19, 338,509.82 and 147,255.04

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Solution

The fourth proportional to 245,397.19, 338,509.82 and 147,255.04 is: 203,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,397.19 : 338,509.82 = 147,255.04 : x
  2. Step 2: Convert to fraction form
    245,397.19/338,509.82 = 147,255.04/x
  3. Step 3: Cross multiply
    245,397.19x = 338,509.82 × 147,255.04
  4. Step 4: Simplify right side
    245,397.19x = 49,847,278,858.77
  5. Step 5: Solve for x
    x = 49,847,278,858.77/245,397.19
  6. Step 6: Final answer
    x = 203,128.97

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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.