Home / 249,243.33-343,985.38-140,351.18

Finding the Fourth Proportional to 249,243.33, 343,985.38 and 140,351.18

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Solution

The fourth proportional to 249,243.33, 343,985.38 and 140,351.18 is: 193,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,243.33 : 343,985.38 = 140,351.18 : x
  2. Step 2: Convert to fraction form
    249,243.33/343,985.38 = 140,351.18/x
  3. Step 3: Cross multiply
    249,243.33x = 343,985.38 × 140,351.18
  4. Step 4: Simplify right side
    249,243.33x = 48,278,753,985.75
  5. Step 5: Solve for x
    x = 48,278,753,985.75/249,243.33
  6. Step 6: Final answer
    x = 193,701.29

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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.