Home / 382,355.88-527,664.66-210,287.15

Finding the Fourth Proportional to 382,355.88, 527,664.66 and 210,287.15

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Solution

The fourth proportional to 382,355.88, 527,664.66 and 210,287.15 is: 290,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,355.88 : 527,664.66 = 210,287.15 : x
  2. Step 2: Convert to fraction form
    382,355.88/527,664.66 = 210,287.15/x
  3. Step 3: Cross multiply
    382,355.88x = 527,664.66 × 210,287.15
  4. Step 4: Simplify right side
    382,355.88x = 110,961,094,868.80
  5. Step 5: Solve for x
    x = 110,961,094,868.80/382,355.88
  6. Step 6: Final answer
    x = 290,203.71

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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.