Home / 382,223.64-527,468.97-210,144.54

Finding the Fourth Proportional to 382,223.64, 527,468.97 and 210,144.54

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Solution

The fourth proportional to 382,223.64, 527,468.97 and 210,144.54 is: 289,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,223.64 : 527,468.97 = 210,144.54 : x
  2. Step 2: Convert to fraction form
    382,223.64/527,468.97 = 210,144.54/x
  3. Step 3: Cross multiply
    382,223.64x = 527,468.97 × 210,144.54
  4. Step 4: Simplify right side
    382,223.64x = 110,844,724,064.92
  5. Step 5: Solve for x
    x = 110,844,724,064.92/382,223.64
  6. Step 6: Final answer
    x = 289,999.66

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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.