Home / 249,819.78-344,738.60-154,334.82

Finding the Fourth Proportional to 249,819.78, 344,738.60 and 154,334.82

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Solution

The fourth proportional to 249,819.78, 344,738.60 and 154,334.82 is: 212,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,819.78 : 344,738.60 = 154,334.82 : x
  2. Step 2: Convert to fraction form
    249,819.78/344,738.60 = 154,334.82/x
  3. Step 3: Cross multiply
    249,819.78x = 344,738.60 × 154,334.82
  4. Step 4: Simplify right side
    249,819.78x = 53,205,169,778.05
  5. Step 5: Solve for x
    x = 53,205,169,778.05/249,819.78
  6. Step 6: Final answer
    x = 212,974.21

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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.