Home / 285,284.24-427,247.06-165,087.87

Finding the Fourth Proportional to 285,284.24, 427,247.06 and 165,087.87

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Solution

The fourth proportional to 285,284.24, 427,247.06 and 165,087.87 is: 247,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,284.24 : 427,247.06 = 165,087.87 : x
  2. Step 2: Convert to fraction form
    285,284.24/427,247.06 = 165,087.87/x
  3. Step 3: Cross multiply
    285,284.24x = 427,247.06 × 165,087.87
  4. Step 4: Simplify right side
    285,284.24x = 70,533,305,205.61
  5. Step 5: Solve for x
    x = 70,533,305,205.61/285,284.24
  6. Step 6: Final answer
    x = 247,238.71

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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.