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Finding the Fourth Proportional to 247,978.90, 341,603.48 and 179,795.53

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Solution

The fourth proportional to 247,978.90, 341,603.48 and 179,795.53 is: 247,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,978.90 : 341,603.48 = 179,795.53 : x
  2. Step 2: Convert to fraction form
    247,978.90/341,603.48 = 179,795.53/x
  3. Step 3: Cross multiply
    247,978.90x = 341,603.48 × 179,795.53
  4. Step 4: Simplify right side
    247,978.90x = 61,418,780,804.06
  5. Step 5: Solve for x
    x = 61,418,780,804.06/247,978.90
  6. Step 6: Final answer
    x = 247,677.44

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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.