Home / 229,688.30-343,560.45-206,165.90

Finding the Fourth Proportional to 229,688.30, 343,560.45 and 206,165.90

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Solution

The fourth proportional to 229,688.30, 343,560.45 and 206,165.90 is: 308,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,688.30 : 343,560.45 = 206,165.90 : x
  2. Step 2: Convert to fraction form
    229,688.30/343,560.45 = 206,165.90/x
  3. Step 3: Cross multiply
    229,688.30x = 343,560.45 × 206,165.90
  4. Step 4: Simplify right side
    229,688.30x = 70,830,449,378.66
  5. Step 5: Solve for x
    x = 70,830,449,378.66/229,688.30
  6. Step 6: Final answer
    x = 308,376.39

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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.