Home / 401,816.50-605,130.97-365,944.30

Finding the Fourth Proportional to 401,816.50, 605,130.97 and 365,944.30

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Solution

The fourth proportional to 401,816.50, 605,130.97 and 365,944.30 is: 551,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,816.50 : 605,130.97 = 365,944.30 : x
  2. Step 2: Convert to fraction form
    401,816.50/605,130.97 = 365,944.30/x
  3. Step 3: Cross multiply
    401,816.50x = 605,130.97 × 365,944.30
  4. Step 4: Simplify right side
    401,816.50x = 221,444,229,224.97
  5. Step 5: Solve for x
    x = 221,444,229,224.97/401,816.50
  6. Step 6: Final answer
    x = 551,107.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.