Home / 247,982.20-371,987.70-70,502.20

Finding the Fourth Proportional to 247,982.20, 371,987.70 and 70,502.20

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Solution

The fourth proportional to 247,982.20, 371,987.70 and 70,502.20 is: 105,757.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,982.20 : 371,987.70 = 70,502.20 : x
  2. Step 2: Convert to fraction form
    247,982.20/371,987.70 = 70,502.20/x
  3. Step 3: Cross multiply
    247,982.20x = 371,987.70 × 70,502.20
  4. Step 4: Simplify right side
    247,982.20x = 26,225,951,222.94
  5. Step 5: Solve for x
    x = 26,225,951,222.94/247,982.20
  6. Step 6: Final answer
    x = 105,757.39

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1.5x scale

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.