Home / 401,013.92-553,390.26-226,567.82

Finding the Fourth Proportional to 401,013.92, 553,390.26 and 226,567.82

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Solution

The fourth proportional to 401,013.92, 553,390.26 and 226,567.82 is: 312,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,013.92 : 553,390.26 = 226,567.82 : x
  2. Step 2: Convert to fraction form
    401,013.92/553,390.26 = 226,567.82/x
  3. Step 3: Cross multiply
    401,013.92x = 553,390.26 × 226,567.82
  4. Step 4: Simplify right side
    401,013.92x = 125,380,424,817.43
  5. Step 5: Solve for x
    x = 125,380,424,817.43/401,013.92
  6. Step 6: Final answer
    x = 312,658.54

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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.