Home / 401,550.18-554,146.62-220,271.37

Finding the Fourth Proportional to 401,550.18, 554,146.62 and 220,271.37

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Solution

The fourth proportional to 401,550.18, 554,146.62 and 220,271.37 is: 303,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,550.18 : 554,146.62 = 220,271.37 : x
  2. Step 2: Convert to fraction form
    401,550.18/554,146.62 = 220,271.37/x
  3. Step 3: Cross multiply
    401,550.18x = 554,146.62 × 220,271.37
  4. Step 4: Simplify right side
    401,550.18x = 122,062,635,168.27
  5. Step 5: Solve for x
    x = 122,062,635,168.27/401,550.18
  6. Step 6: Final answer
    x = 303,978.53

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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.