Home / 253,613.61-349,982.46-140,433.93

Finding the Fourth Proportional to 253,613.61, 349,982.46 and 140,433.93

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Solution

The fourth proportional to 253,613.61, 349,982.46 and 140,433.93 is: 193,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,613.61 : 349,982.46 = 140,433.93 : x
  2. Step 2: Convert to fraction form
    253,613.61/349,982.46 = 140,433.93/x
  3. Step 3: Cross multiply
    253,613.61x = 349,982.46 × 140,433.93
  4. Step 4: Simplify right side
    253,613.61x = 49,149,412,288.87
  5. Step 5: Solve for x
    x = 49,149,412,288.87/253,613.61
  6. Step 6: Final answer
    x = 193,796.43

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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.