Home / 382,223.25-527,468.43-210,144.15

Finding the Fourth Proportional to 382,223.25, 527,468.43 and 210,144.15

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Solution

The fourth proportional to 382,223.25, 527,468.43 and 210,144.15 is: 289,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,223.25 : 527,468.43 = 210,144.15 : x
  2. Step 2: Convert to fraction form
    382,223.25/527,468.43 = 210,144.15/x
  3. Step 3: Cross multiply
    382,223.25x = 527,468.43 × 210,144.15
  4. Step 4: Simplify right side
    382,223.25x = 110,844,404,874.19
  5. Step 5: Solve for x
    x = 110,844,404,874.19/382,223.25
  6. Step 6: Final answer
    x = 289,999.12

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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.