Home / 419,631.17-579,091.07-228,644.57

Finding the Fourth Proportional to 419,631.17, 579,091.07 and 228,644.57

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Solution

The fourth proportional to 419,631.17, 579,091.07 and 228,644.57 is: 315,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,631.17 : 579,091.07 = 228,644.57 : x
  2. Step 2: Convert to fraction form
    419,631.17/579,091.07 = 228,644.57/x
  3. Step 3: Cross multiply
    419,631.17x = 579,091.07 × 228,644.57
  4. Step 4: Simplify right side
    419,631.17x = 132,406,030,710.33
  5. Step 5: Solve for x
    x = 132,406,030,710.33/419,631.17
  6. Step 6: Final answer
    x = 315,529.55

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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.