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Finding the Fourth Proportional to 401,537.36, 554,103.96 and 240,482

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Solution

The fourth proportional to 401,537.36, 554,103.96 and 240,482 is: 331,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,537.36 : 554,103.96 = 240,482 : x
  2. Step 2: Convert to fraction form
    401,537.36/554,103.96 = 240,482/x
  3. Step 3: Cross multiply
    401,537.36x = 554,103.96 × 240,482
  4. Step 4: Simplify right side
    401,537.36x = 133,252,028,508.72
  5. Step 5: Solve for x
    x = 133,252,028,508.72/401,537.36
  6. Step 6: Final answer
    x = 331,854.62

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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.