Home / 249,481.28-344,289.12-136,311.04

Finding the Fourth Proportional to 249,481.28, 344,289.12 and 136,311.04

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Solution

The fourth proportional to 249,481.28, 344,289.12 and 136,311.04 is: 188,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,481.28 : 344,289.12 = 136,311.04 : x
  2. Step 2: Convert to fraction form
    249,481.28/344,289.12 = 136,311.04/x
  3. Step 3: Cross multiply
    249,481.28x = 344,289.12 × 136,311.04
  4. Step 4: Simplify right side
    249,481.28x = 46,930,408,007.88
  5. Step 5: Solve for x
    x = 46,930,408,007.88/249,481.28
  6. Step 6: Final answer
    x = 188,111.94

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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.