Home / 247,961.72-371,977.62-79,442.63

Finding the Fourth Proportional to 247,961.72, 371,977.62 and 79,442.63

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Solution

The fourth proportional to 247,961.72, 371,977.62 and 79,442.63 is: 119,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,961.72 : 371,977.62 = 79,442.63 : x
  2. Step 2: Convert to fraction form
    247,961.72/371,977.62 = 79,442.63/x
  3. Step 3: Cross multiply
    247,961.72x = 371,977.62 × 79,442.63
  4. Step 4: Simplify right side
    247,961.72x = 29,550,880,036.73
  5. Step 5: Solve for x
    x = 29,550,880,036.73/247,961.72
  6. Step 6: Final answer
    x = 119,175.17

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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.