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Finding the Fourth Proportional to 253,519.04, 349,859.04 and 140,343.68

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Solution

The fourth proportional to 253,519.04, 349,859.04 and 140,343.68 is: 193,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,519.04 : 349,859.04 = 140,343.68 : x
  2. Step 2: Convert to fraction form
    253,519.04/349,859.04 = 140,343.68/x
  3. Step 3: Cross multiply
    253,519.04x = 349,859.04 × 140,343.68
  4. Step 4: Simplify right side
    253,519.04x = 49,100,505,154.87
  5. Step 5: Solve for x
    x = 49,100,505,154.87/253,519.04
  6. Step 6: Final answer
    x = 193,675.81

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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.