Home / 249,229.12-343,063.20-217,341.76

Finding the Fourth Proportional to 249,229.12, 343,063.20 and 217,341.76

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Solution

The fourth proportional to 249,229.12, 343,063.20 and 217,341.76 is: 299,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,229.12 : 343,063.20 = 217,341.76 : x
  2. Step 2: Convert to fraction form
    249,229.12/343,063.20 = 217,341.76/x
  3. Step 3: Cross multiply
    249,229.12x = 343,063.20 × 217,341.76
  4. Step 4: Simplify right side
    249,229.12x = 74,561,959,679.23
  5. Step 5: Solve for x
    x = 74,561,959,679.23/249,229.12
  6. Step 6: Final answer
    x = 299,170.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.