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Finding the Fourth Proportional to 249,251.58, 343,954.17 and 136,052.46

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Solution

The fourth proportional to 249,251.58, 343,954.17 and 136,052.46 is: 187,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,251.58 : 343,954.17 = 136,052.46 : x
  2. Step 2: Convert to fraction form
    249,251.58/343,954.17 = 136,052.46/x
  3. Step 3: Cross multiply
    249,251.58x = 343,954.17 × 136,052.46
  4. Step 4: Simplify right side
    249,251.58x = 46,795,810,955.76
  5. Step 5: Solve for x
    x = 46,795,810,955.76/249,251.58
  6. Step 6: Final answer
    x = 187,745.29

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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.