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Finding the Fourth Proportional to 247,884.32, 371,823.51 and 90,111.44

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Solution

The fourth proportional to 247,884.32, 371,823.51 and 90,111.44 is: 135,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,884.32 : 371,823.51 = 90,111.44 : x
  2. Step 2: Convert to fraction form
    247,884.32/371,823.51 = 90,111.44/x
  3. Step 3: Cross multiply
    247,884.32x = 371,823.51 × 90,111.44
  4. Step 4: Simplify right side
    247,884.32x = 33,505,551,911.95
  5. Step 5: Solve for x
    x = 33,505,551,911.95/247,884.32
  6. Step 6: Final answer
    x = 135,166.08

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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.