Home / 247,914.56-371,664.54-114,890.12

Finding the Fourth Proportional to 247,914.56, 371,664.54 and 114,890.12

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Solution

The fourth proportional to 247,914.56, 371,664.54 and 114,890.12 is: 172,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,914.56 : 371,664.54 = 114,890.12 : x
  2. Step 2: Convert to fraction form
    247,914.56/371,664.54 = 114,890.12/x
  3. Step 3: Cross multiply
    247,914.56x = 371,664.54 × 114,890.12
  4. Step 4: Simplify right side
    247,914.56x = 42,700,583,600.34
  5. Step 5: Solve for x
    x = 42,700,583,600.34/247,914.56
  6. Step 6: Final answer
    x = 172,239.11

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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.