Home / 229,534.80-343,330.20-206,012.40

Finding the Fourth Proportional to 229,534.80, 343,330.20 and 206,012.40

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Solution

The fourth proportional to 229,534.80, 343,330.20 and 206,012.40 is: 308,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,534.80 : 343,330.20 = 206,012.40 : x
  2. Step 2: Convert to fraction form
    229,534.80/343,330.20 = 206,012.40/x
  3. Step 3: Cross multiply
    229,534.80x = 343,330.20 × 206,012.40
  4. Step 4: Simplify right side
    229,534.80x = 70,730,278,494.48
  5. Step 5: Solve for x
    x = 70,730,278,494.48/229,534.80
  6. Step 6: Final answer
    x = 308,146.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.