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Finding the Fourth Proportional to 247,877.58, 371,840.97 and 79,355.57

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Solution

The fourth proportional to 247,877.58, 371,840.97 and 79,355.57 is: 119,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,877.58 : 371,840.97 = 79,355.57 : x
  2. Step 2: Convert to fraction form
    247,877.58/371,840.97 = 79,355.57/x
  3. Step 3: Cross multiply
    247,877.58x = 371,840.97 × 79,355.57
  4. Step 4: Simplify right side
    247,877.58x = 29,507,650,264.50
  5. Step 5: Solve for x
    x = 29,507,650,264.50/247,877.58
  6. Step 6: Final answer
    x = 119,041.22

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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.