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Finding the Fourth Proportional to 165,905.88, 248,859.76 and 41,246.88

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Solution

The fourth proportional to 165,905.88, 248,859.76 and 41,246.88 is: 61,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,905.88 : 248,859.76 = 41,246.88 : x
  2. Step 2: Convert to fraction form
    165,905.88/248,859.76 = 41,246.88/x
  3. Step 3: Cross multiply
    165,905.88x = 248,859.76 × 41,246.88
  4. Step 4: Simplify right side
    165,905.88x = 10,264,688,657.55
  5. Step 5: Solve for x
    x = 10,264,688,657.55/165,905.88
  6. Step 6: Final answer
    x = 61,870.55

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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.