Home / 399,140.03-598,885.41-209,556.33

Finding the Fourth Proportional to 399,140.03, 598,885.41 and 209,556.33

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Solution

The fourth proportional to 399,140.03, 598,885.41 and 209,556.33 is: 314,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,140.03 : 598,885.41 = 209,556.33 : x
  2. Step 2: Convert to fraction form
    399,140.03/598,885.41 = 209,556.33/x
  3. Step 3: Cross multiply
    399,140.03x = 598,885.41 × 209,556.33
  4. Step 4: Simplify right side
    399,140.03x = 125,500,228,610.15
  5. Step 5: Solve for x
    x = 125,500,228,610.15/399,140.03
  6. Step 6: Final answer
    x = 314,426.57

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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.