Home / 219,327.40-328,553.70-125,723.80

Finding the Fourth Proportional to 219,327.40, 328,553.70 and 125,723.80

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Solution

The fourth proportional to 219,327.40, 328,553.70 and 125,723.80 is: 188,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,327.40 : 328,553.70 = 125,723.80 : x
  2. Step 2: Convert to fraction form
    219,327.40/328,553.70 = 125,723.80/x
  3. Step 3: Cross multiply
    219,327.40x = 328,553.70 × 125,723.80
  4. Step 4: Simplify right side
    219,327.40x = 41,307,019,668.06
  5. Step 5: Solve for x
    x = 41,307,019,668.06/219,327.40
  6. Step 6: Final answer
    x = 188,334.97

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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.