Home / 403,884.86-557,351.46-220,129.23

Finding the Fourth Proportional to 403,884.86, 557,351.46 and 220,129.23

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Solution

The fourth proportional to 403,884.86, 557,351.46 and 220,129.23 is: 303,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,884.86 : 557,351.46 = 220,129.23 : x
  2. Step 2: Convert to fraction form
    403,884.86/557,351.46 = 220,129.23/x
  3. Step 3: Cross multiply
    403,884.86x = 557,351.46 × 220,129.23
  4. Step 4: Simplify right side
    403,884.86x = 122,689,347,729.18
  5. Step 5: Solve for x
    x = 122,689,347,729.18/403,884.86
  6. Step 6: Final answer
    x = 303,773.08

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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.