Home / 384,927.96-577,194.78-205,115.85

Finding the Fourth Proportional to 384,927.96, 577,194.78 and 205,115.85

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Solution

The fourth proportional to 384,927.96, 577,194.78 and 205,115.85 is: 307,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,927.96 : 577,194.78 = 205,115.85 : x
  2. Step 2: Convert to fraction form
    384,927.96/577,194.78 = 205,115.85/x
  3. Step 3: Cross multiply
    384,927.96x = 577,194.78 × 205,115.85
  4. Step 4: Simplify right side
    384,927.96x = 118,391,797,915.26
  5. Step 5: Solve for x
    x = 118,391,797,915.26/384,927.96
  6. Step 6: Final answer
    x = 307,568.71

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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.