Home / 249,694.32-344,579.60-136,517.06

Finding the Fourth Proportional to 249,694.32, 344,579.60 and 136,517.06

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Solution

The fourth proportional to 249,694.32, 344,579.60 and 136,517.06 is: 188,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,694.32 : 344,579.60 = 136,517.06 : x
  2. Step 2: Convert to fraction form
    249,694.32/344,579.60 = 136,517.06/x
  3. Step 3: Cross multiply
    249,694.32x = 344,579.60 × 136,517.06
  4. Step 4: Simplify right side
    249,694.32x = 47,040,993,927.98
  5. Step 5: Solve for x
    x = 47,040,993,927.98/249,694.32
  6. Step 6: Final answer
    x = 188,394.33

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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.