Home / 439,212.08-658,829.04-123,666.84

Finding the Fourth Proportional to 439,212.08, 658,829.04 and 123,666.84

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Solution

The fourth proportional to 439,212.08, 658,829.04 and 123,666.84 is: 185,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,212.08 : 658,829.04 = 123,666.84 : x
  2. Step 2: Convert to fraction form
    439,212.08/658,829.04 = 123,666.84/x
  3. Step 3: Cross multiply
    439,212.08x = 658,829.04 × 123,666.84
  4. Step 4: Simplify right side
    439,212.08x = 81,475,305,477.03
  5. Step 5: Solve for x
    x = 81,475,305,477.03/439,212.08
  6. Step 6: Final answer
    x = 185,503.33

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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.