Home / 247,538.30-371,321.69-70,030.44

Finding the Fourth Proportional to 247,538.30, 371,321.69 and 70,030.44

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Solution

The fourth proportional to 247,538.30, 371,321.69 and 70,030.44 is: 105,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,538.30 : 371,321.69 = 70,030.44 : x
  2. Step 2: Convert to fraction form
    247,538.30/371,321.69 = 70,030.44/x
  3. Step 3: Cross multiply
    247,538.30x = 371,321.69 × 70,030.44
  4. Step 4: Simplify right side
    247,538.30x = 26,003,820,982.09
  5. Step 5: Solve for x
    x = 26,003,820,982.09/247,538.30
  6. Step 6: Final answer
    x = 105,049.69

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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.