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Finding the Fourth Proportional to 253,272.56, 349,535.11 and 144,379.49

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Solution

The fourth proportional to 253,272.56, 349,535.11 and 144,379.49 is: 199,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,272.56 : 349,535.11 = 144,379.49 : x
  2. Step 2: Convert to fraction form
    253,272.56/349,535.11 = 144,379.49/x
  3. Step 3: Cross multiply
    253,272.56x = 349,535.11 × 144,379.49
  4. Step 4: Simplify right side
    253,272.56x = 50,465,702,478.98
  5. Step 5: Solve for x
    x = 50,465,702,478.98/253,272.56
  6. Step 6: Final answer
    x = 199,254.52

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Why These Related Problems?

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