Home / 247,439.38-371,111.68-105,362.95

Finding the Fourth Proportional to 247,439.38, 371,111.68 and 105,362.95

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Solution

The fourth proportional to 247,439.38, 371,111.68 and 105,362.95 is: 158,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,439.38 : 371,111.68 = 105,362.95 : x
  2. Step 2: Convert to fraction form
    247,439.38/371,111.68 = 105,362.95/x
  3. Step 3: Cross multiply
    247,439.38x = 371,111.68 × 105,362.95
  4. Step 4: Simplify right side
    247,439.38x = 39,101,420,588.18
  5. Step 5: Solve for x
    x = 39,101,420,588.18/247,439.38
  6. Step 6: Final answer
    x = 158,024.24

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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.