Home / 228,588.46-342,899.12-78,826.59

Finding the Fourth Proportional to 228,588.46, 342,899.12 and 78,826.59

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Solution

The fourth proportional to 228,588.46, 342,899.12 and 78,826.59 is: 118,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,588.46 : 342,899.12 = 78,826.59 : x
  2. Step 2: Convert to fraction form
    228,588.46/342,899.12 = 78,826.59/x
  3. Step 3: Cross multiply
    228,588.46x = 342,899.12 × 78,826.59
  4. Step 4: Simplify right side
    228,588.46x = 27,029,568,343.60
  5. Step 5: Solve for x
    x = 27,029,568,343.60/228,588.46
  6. Step 6: Final answer
    x = 118,245.55

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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.