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Finding the Fourth Proportional to 265,524.88, 366,422.30 and 144,665.79

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Solution

The fourth proportional to 265,524.88, 366,422.30 and 144,665.79 is: 199,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,524.88 : 366,422.30 = 144,665.79 : x
  2. Step 2: Convert to fraction form
    265,524.88/366,422.30 = 144,665.79/x
  3. Step 3: Cross multiply
    265,524.88x = 366,422.30 × 144,665.79
  4. Step 4: Simplify right side
    265,524.88x = 53,008,768,947.68
  5. Step 5: Solve for x
    x = 53,008,768,947.68/265,524.88
  6. Step 6: Final answer
    x = 199,637.68

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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.