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Finding the Fourth Proportional to 337,207.20, 505,810.80 and 169,245.60

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Solution

The fourth proportional to 337,207.20, 505,810.80 and 169,245.60 is: 253,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,207.20 : 505,810.80 = 169,245.60 : x
  2. Step 2: Convert to fraction form
    337,207.20/505,810.80 = 169,245.60/x
  3. Step 3: Cross multiply
    337,207.20x = 505,810.80 × 169,245.60
  4. Step 4: Simplify right side
    337,207.20x = 85,606,252,332.48
  5. Step 5: Solve for x
    x = 85,606,252,332.48/337,207.20
  6. Step 6: Final answer
    x = 253,868.40

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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.