Home / 403,884.40-557,337.73-222,595.77

Finding the Fourth Proportional to 403,884.40, 557,337.73 and 222,595.77

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Solution

The fourth proportional to 403,884.40, 557,337.73 and 222,595.77 is: 307,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,884.40 : 557,337.73 = 222,595.77 : x
  2. Step 2: Convert to fraction form
    403,884.40/557,337.73 = 222,595.77/x
  3. Step 3: Cross multiply
    403,884.40x = 557,337.73 × 222,595.77
  4. Step 4: Simplify right side
    403,884.40x = 124,061,022,552.75
  5. Step 5: Solve for x
    x = 124,061,022,552.75/403,884.40
  6. Step 6: Final answer
    x = 307,169.63

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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.