Home / 247,861.40-371,381.70-142,496.60

Finding the Fourth Proportional to 247,861.40, 371,381.70 and 142,496.60

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Solution

The fourth proportional to 247,861.40, 371,381.70 and 142,496.60 is: 213,508.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,861.40 : 371,381.70 = 142,496.60 : x
  2. Step 2: Convert to fraction form
    247,861.40/371,381.70 = 142,496.60/x
  3. Step 3: Cross multiply
    247,861.40x = 371,381.70 × 142,496.60
  4. Step 4: Simplify right side
    247,861.40x = 52,920,629,552.22
  5. Step 5: Solve for x
    x = 52,920,629,552.22/247,861.40
  6. Step 6: Final answer
    x = 213,508.96

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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.