Home / 247,840.56-371,577.78-79,263.36

Finding the Fourth Proportional to 247,840.56, 371,577.78 and 79,263.36

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Solution

The fourth proportional to 247,840.56, 371,577.78 and 79,263.36 is: 118,836.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,840.56 : 371,577.78 = 79,263.36 : x
  2. Step 2: Convert to fraction form
    247,840.56/371,577.78 = 79,263.36/x
  3. Step 3: Cross multiply
    247,840.56x = 371,577.78 × 79,263.36
  4. Step 4: Simplify right side
    247,840.56x = 29,452,503,344.14
  5. Step 5: Solve for x
    x = 29,452,503,344.14/247,840.56
  6. Step 6: Final answer
    x = 118,836.49

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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.