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Finding the Fourth Proportional to 349,909.48, 483,107.48 and 269,194.60

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Solution

The fourth proportional to 349,909.48, 483,107.48 and 269,194.60 is: 371,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,909.48 : 483,107.48 = 269,194.60 : x
  2. Step 2: Convert to fraction form
    349,909.48/483,107.48 = 269,194.60/x
  3. Step 3: Cross multiply
    349,909.48x = 483,107.48 × 269,194.60
  4. Step 4: Simplify right side
    349,909.48x = 130,049,924,835.61
  5. Step 5: Solve for x
    x = 130,049,924,835.61/349,909.48
  6. Step 6: Final answer
    x = 371,667.34

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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.