Home / 249,579.03-344,418.30-136,401.78

Finding the Fourth Proportional to 249,579.03, 344,418.30 and 136,401.78

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Solution

The fourth proportional to 249,579.03, 344,418.30 and 136,401.78 is: 188,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,579.03 : 344,418.30 = 136,401.78 : x
  2. Step 2: Convert to fraction form
    249,579.03/344,418.30 = 136,401.78/x
  3. Step 3: Cross multiply
    249,579.03x = 344,418.30 × 136,401.78
  4. Step 4: Simplify right side
    249,579.03x = 46,979,269,184.57
  5. Step 5: Solve for x
    x = 46,979,269,184.57/249,579.03
  6. Step 6: Final answer
    x = 188,234.04

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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.