Home / 401,727.62-554,365.50-220,435.04

Finding the Fourth Proportional to 401,727.62, 554,365.50 and 220,435.04

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Solution

The fourth proportional to 401,727.62, 554,365.50 and 220,435.04 is: 304,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,727.62 : 554,365.50 = 220,435.04 : x
  2. Step 2: Convert to fraction form
    401,727.62/554,365.50 = 220,435.04/x
  3. Step 3: Cross multiply
    401,727.62x = 554,365.50 × 220,435.04
  4. Step 4: Simplify right side
    401,727.62x = 122,201,581,167.12
  5. Step 5: Solve for x
    x = 122,201,581,167.12/401,727.62
  6. Step 6: Final answer
    x = 304,190.14

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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.