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Finding the Fourth Proportional to 265,234.60, 366,031.42 and 144,383.72

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Solution

The fourth proportional to 265,234.60, 366,031.42 and 144,383.72 is: 199,253.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,234.60 : 366,031.42 = 144,383.72 : x
  2. Step 2: Convert to fraction form
    265,234.60/366,031.42 = 144,383.72/x
  3. Step 3: Cross multiply
    265,234.60x = 366,031.42 × 144,383.72
  4. Step 4: Simplify right side
    265,234.60x = 52,848,978,056.48
  5. Step 5: Solve for x
    x = 52,848,978,056.48/265,234.60
  6. Step 6: Final answer
    x = 199,253.71

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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.