Home / 649,391.20-974,220.72-228,960.16

Finding the Fourth Proportional to 649,391.20, 974,220.72 and 228,960.16

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Solution

The fourth proportional to 649,391.20, 974,220.72 and 228,960.16 is: 343,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,391.20 : 974,220.72 = 228,960.16 : x
  2. Step 2: Convert to fraction form
    649,391.20/974,220.72 = 228,960.16/x
  3. Step 3: Cross multiply
    649,391.20x = 974,220.72 × 228,960.16
  4. Step 4: Simplify right side
    649,391.20x = 223,057,731,926.52
  5. Step 5: Solve for x
    x = 223,057,731,926.52/649,391.20
  6. Step 6: Final answer
    x = 343,487.46

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Similar ratio
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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.