Home / 382,556.30-528,029.07-269,429.90

Finding the Fourth Proportional to 382,556.30, 528,029.07 and 269,429.90

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Solution

The fourth proportional to 382,556.30, 528,029.07 and 269,429.90 is: 371,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,556.30 : 528,029.07 = 269,429.90 : x
  2. Step 2: Convert to fraction form
    382,556.30/528,029.07 = 269,429.90/x
  3. Step 3: Cross multiply
    382,556.30x = 528,029.07 × 269,429.90
  4. Step 4: Simplify right side
    382,556.30x = 142,266,819,527.19
  5. Step 5: Solve for x
    x = 142,266,819,527.19/382,556.30
  6. Step 6: Final answer
    x = 371,884.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.