Home / 649,348.16-974,474.40-228,657.92

Finding the Fourth Proportional to 649,348.16, 974,474.40 and 228,657.92

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Solution

The fourth proportional to 649,348.16, 974,474.40 and 228,657.92 is: 343,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,348.16 : 974,474.40 = 228,657.92 : x
  2. Step 2: Convert to fraction form
    649,348.16/974,474.40 = 228,657.92/x
  3. Step 3: Cross multiply
    649,348.16x = 974,474.40 × 228,657.92
  4. Step 4: Simplify right side
    649,348.16x = 222,821,289,397.25
  5. Step 5: Solve for x
    x = 222,821,289,397.25/649,348.16
  6. Step 6: Final answer
    x = 343,146.10

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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.