Home / 379,869.46-524,233.56-210,104.80

Finding the Fourth Proportional to 379,869.46, 524,233.56 and 210,104.80

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Solution

The fourth proportional to 379,869.46, 524,233.56 and 210,104.80 is: 289,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,869.46 : 524,233.56 = 210,104.80 : x
  2. Step 2: Convert to fraction form
    379,869.46/524,233.56 = 210,104.80/x
  3. Step 3: Cross multiply
    379,869.46x = 524,233.56 × 210,104.80
  4. Step 4: Simplify right side
    379,869.46x = 110,143,987,277.09
  5. Step 5: Solve for x
    x = 110,143,987,277.09/379,869.46
  6. Step 6: Final answer
    x = 289,952.20

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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.