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Finding the Fourth Proportional to 253,572.75, 349,941.33 and 140,395.50

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Solution

The fourth proportional to 253,572.75, 349,941.33 and 140,395.50 is: 193,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,572.75 : 349,941.33 = 140,395.50 : x
  2. Step 2: Convert to fraction form
    253,572.75/349,941.33 = 140,395.50/x
  3. Step 3: Cross multiply
    253,572.75x = 349,941.33 × 140,395.50
  4. Step 4: Simplify right side
    253,572.75x = 49,130,187,996.02
  5. Step 5: Solve for x
    x = 49,130,187,996.02/253,572.75
  6. Step 6: Final answer
    x = 193,751.84

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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.