Home / 245,376.74-338,616.56-136,480.04

Finding the Fourth Proportional to 245,376.74, 338,616.56 and 136,480.04

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Solution

The fourth proportional to 245,376.74, 338,616.56 and 136,480.04 is: 188,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,376.74 : 338,616.56 = 136,480.04 : x
  2. Step 2: Convert to fraction form
    245,376.74/338,616.56 = 136,480.04/x
  3. Step 3: Cross multiply
    245,376.74x = 338,616.56 × 136,480.04
  4. Step 4: Simplify right side
    245,376.74x = 46,214,399,277.98
  5. Step 5: Solve for x
    x = 46,214,399,277.98/245,376.74
  6. Step 6: Final answer
    x = 188,340.59

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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.