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Finding the Fourth Proportional to 165,211.90, 247,827.29 and 46,873.90

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Solution

The fourth proportional to 165,211.90, 247,827.29 and 46,873.90 is: 70,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,211.90 : 247,827.29 = 46,873.90 : x
  2. Step 2: Convert to fraction form
    165,211.90/247,827.29 = 46,873.90/x
  3. Step 3: Cross multiply
    165,211.90x = 247,827.29 × 46,873.90
  4. Step 4: Simplify right side
    165,211.90x = 11,616,631,608.73
  5. Step 5: Solve for x
    x = 11,616,631,608.73/165,211.90
  6. Step 6: Final answer
    x = 70,313.53

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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.