Home / 403,974.93-557,485.30-222,689.85

Finding the Fourth Proportional to 403,974.93, 557,485.30 and 222,689.85

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Solution

The fourth proportional to 403,974.93, 557,485.30 and 222,689.85 is: 307,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,974.93 : 557,485.30 = 222,689.85 : x
  2. Step 2: Convert to fraction form
    403,974.93/557,485.30 = 222,689.85/x
  3. Step 3: Cross multiply
    403,974.93x = 557,485.30 × 222,689.85
  4. Step 4: Simplify right side
    403,974.93x = 124,146,317,834.21
  5. Step 5: Solve for x
    x = 124,146,317,834.21/403,974.93
  6. Step 6: Final answer
    x = 307,311.94

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1.5x scale

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.