Home / 249,261.78-343,969.33-141,821.76

Finding the Fourth Proportional to 249,261.78, 343,969.33 and 141,821.76

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Solution

The fourth proportional to 249,261.78, 343,969.33 and 141,821.76 is: 195,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,261.78 : 343,969.33 = 141,821.76 : x
  2. Step 2: Convert to fraction form
    249,261.78/343,969.33 = 141,821.76/x
  3. Step 3: Cross multiply
    249,261.78x = 343,969.33 × 141,821.76
  4. Step 4: Simplify right side
    249,261.78x = 48,782,335,766.62
  5. Step 5: Solve for x
    x = 48,782,335,766.62/249,261.78
  6. Step 6: Final answer
    x = 195,707.24

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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.