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Finding the Fourth Proportional to 233,180.80, 349,771.20 and 144,707.20

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Solution

The fourth proportional to 233,180.80, 349,771.20 and 144,707.20 is: 217,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,180.80 : 349,771.20 = 144,707.20 : x
  2. Step 2: Convert to fraction form
    233,180.80/349,771.20 = 144,707.20/x
  3. Step 3: Cross multiply
    233,180.80x = 349,771.20 × 144,707.20
  4. Step 4: Simplify right side
    233,180.80x = 50,614,410,992.64
  5. Step 5: Solve for x
    x = 50,614,410,992.64/233,180.80
  6. Step 6: Final answer
    x = 217,060.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.