Home / 391,344.65-540,056.83-228,097.75

Finding the Fourth Proportional to 391,344.65, 540,056.83 and 228,097.75

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Solution

The fourth proportional to 391,344.65, 540,056.83 and 228,097.75 is: 314,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,344.65 : 540,056.83 = 228,097.75 : x
  2. Step 2: Convert to fraction form
    391,344.65/540,056.83 = 228,097.75/x
  3. Step 3: Cross multiply
    391,344.65x = 540,056.83 × 228,097.75
  4. Step 4: Simplify right side
    391,344.65x = 123,185,747,795.13
  5. Step 5: Solve for x
    x = 123,185,747,795.13/391,344.65
  6. Step 6: Final answer
    x = 314,775.60

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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.