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Finding the Fourth Proportional to 265,610.98, 366,532.45 and 144,749.67

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Solution

The fourth proportional to 265,610.98, 366,532.45 and 144,749.67 is: 199,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,610.98 : 366,532.45 = 144,749.67 : x
  2. Step 2: Convert to fraction form
    265,610.98/366,532.45 = 144,749.67/x
  3. Step 3: Cross multiply
    265,610.98x = 366,532.45 × 144,749.67
  4. Step 4: Simplify right side
    265,610.98x = 53,055,451,181.79
  5. Step 5: Solve for x
    x = 53,055,451,181.79/265,610.98
  6. Step 6: Final answer
    x = 199,748.71

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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.