Home / 351,287.20-484,657.35-228,723.61

Finding the Fourth Proportional to 351,287.20, 484,657.35 and 228,723.61

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Solution

The fourth proportional to 351,287.20, 484,657.35 and 228,723.61 is: 315,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,287.20 : 484,657.35 = 228,723.61 : x
  2. Step 2: Convert to fraction form
    351,287.20/484,657.35 = 228,723.61/x
  3. Step 3: Cross multiply
    351,287.20x = 484,657.35 × 228,723.61
  4. Step 4: Simplify right side
    351,287.20x = 110,852,578,705.03
  5. Step 5: Solve for x
    x = 110,852,578,705.03/351,287.20
  6. Step 6: Final answer
    x = 315,561.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.