Home / 382,287.42-527,568.12-210,196.49

Finding the Fourth Proportional to 382,287.42, 527,568.12 and 210,196.49

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Solution

The fourth proportional to 382,287.42, 527,568.12 and 210,196.49 is: 290,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,287.42 : 527,568.12 = 210,196.49 : x
  2. Step 2: Convert to fraction form
    382,287.42/527,568.12 = 210,196.49/x
  3. Step 3: Cross multiply
    382,287.42x = 527,568.12 × 210,196.49
  4. Step 4: Simplify right side
    382,287.42x = 110,892,964,422.06
  5. Step 5: Solve for x
    x = 110,892,964,422.06/382,287.42
  6. Step 6: Final answer
    x = 290,077.46

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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.