Home / 439,213.08-658,830.54-123,667.84

Finding the Fourth Proportional to 439,213.08, 658,830.54 and 123,667.84

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Solution

The fourth proportional to 439,213.08, 658,830.54 and 123,667.84 is: 185,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,213.08 : 658,830.54 = 123,667.84 : x
  2. Step 2: Convert to fraction form
    439,213.08/658,830.54 = 123,667.84/x
  3. Step 3: Cross multiply
    439,213.08x = 658,830.54 × 123,667.84
  4. Step 4: Simplify right side
    439,213.08x = 81,476,149,807.83
  5. Step 5: Solve for x
    x = 81,476,149,807.83/439,213.08
  6. Step 6: Final answer
    x = 185,504.83

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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.