Home / 386,845.11-580,240.23-102,529.35

Finding the Fourth Proportional to 386,845.11, 580,240.23 and 102,529.35

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Solution

The fourth proportional to 386,845.11, 580,240.23 and 102,529.35 is: 153,786.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,845.11 : 580,240.23 = 102,529.35 : x
  2. Step 2: Convert to fraction form
    386,845.11/580,240.23 = 102,529.35/x
  3. Step 3: Cross multiply
    386,845.11x = 580,240.23 × 102,529.35
  4. Step 4: Simplify right side
    386,845.11x = 59,491,653,625.75
  5. Step 5: Solve for x
    x = 59,491,653,625.75/386,845.11
  6. Step 6: Final answer
    x = 153,786.75

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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.