Home / 228,613.88-342,918.26-80,835.32

Finding the Fourth Proportional to 228,613.88, 342,918.26 and 80,835.32

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Solution

The fourth proportional to 228,613.88, 342,918.26 and 80,835.32 is: 121,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,613.88 : 342,918.26 = 80,835.32 : x
  2. Step 2: Convert to fraction form
    228,613.88/342,918.26 = 80,835.32/x
  3. Step 3: Cross multiply
    228,613.88x = 342,918.26 × 80,835.32
  4. Step 4: Simplify right side
    228,613.88x = 27,719,907,280.94
  5. Step 5: Solve for x
    x = 27,719,907,280.94/228,613.88
  6. Step 6: Final answer
    x = 121,252.07

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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.