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Finding the Fourth Proportional to 229,591.80, 343,707.30 and 170,688.60

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Solution

The fourth proportional to 229,591.80, 343,707.30 and 170,688.60 is: 255,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,591.80 : 343,707.30 = 170,688.60 : x
  2. Step 2: Convert to fraction form
    229,591.80/343,707.30 = 170,688.60/x
  3. Step 3: Cross multiply
    229,591.80x = 343,707.30 × 170,688.60
  4. Step 4: Simplify right side
    229,591.80x = 58,666,917,846.78
  5. Step 5: Solve for x
    x = 58,666,917,846.78/229,591.80
  6. Step 6: Final answer
    x = 255,527.06

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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.