Home / 655,156.12-982,739.65-205,867.04

Finding the Fourth Proportional to 655,156.12, 982,739.65 and 205,867.04

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Solution

The fourth proportional to 655,156.12, 982,739.65 and 205,867.04 is: 308,802.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,156.12 : 982,739.65 = 205,867.04 : x
  2. Step 2: Convert to fraction form
    655,156.12/982,739.65 = 205,867.04/x
  3. Step 3: Cross multiply
    655,156.12x = 982,739.65 × 205,867.04
  4. Step 4: Simplify right side
    655,156.12x = 202,313,702,836.14
  5. Step 5: Solve for x
    x = 202,313,702,836.14/655,156.12
  6. Step 6: Final answer
    x = 308,802.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.