Home / 419,939.37-579,522.60-228,955.95

Finding the Fourth Proportional to 419,939.37, 579,522.60 and 228,955.95

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Solution

The fourth proportional to 419,939.37, 579,522.60 and 228,955.95 is: 315,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,939.37 : 579,522.60 = 228,955.95 : x
  2. Step 2: Convert to fraction form
    419,939.37/579,522.60 = 228,955.95/x
  3. Step 3: Cross multiply
    419,939.37x = 579,522.60 × 228,955.95
  4. Step 4: Simplify right side
    419,939.37x = 132,685,147,429.47
  5. Step 5: Solve for x
    x = 132,685,147,429.47/419,939.37
  6. Step 6: Final answer
    x = 315,962.63

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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.