Home / 403,396.48-556,687.20-222,109.12

Finding the Fourth Proportional to 403,396.48, 556,687.20 and 222,109.12

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Solution

The fourth proportional to 403,396.48, 556,687.20 and 222,109.12 is: 306,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,396.48 : 556,687.20 = 222,109.12 : x
  2. Step 2: Convert to fraction form
    403,396.48/556,687.20 = 222,109.12/x
  3. Step 3: Cross multiply
    403,396.48x = 556,687.20 × 222,109.12
  4. Step 4: Simplify right side
    403,396.48x = 123,645,304,107.26
  5. Step 5: Solve for x
    x = 123,645,304,107.26/403,396.48
  6. Step 6: Final answer
    x = 306,510.62

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1.5x scale

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.