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Finding the Fourth Proportional to 401,634.72, 554,273.28 and 240,516

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Solution

The fourth proportional to 401,634.72, 554,273.28 and 240,516 is: 331,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,634.72 : 554,273.28 = 240,516 : x
  2. Step 2: Convert to fraction form
    401,634.72/554,273.28 = 240,516/x
  3. Step 3: Cross multiply
    401,634.72x = 554,273.28 × 240,516
  4. Step 4: Simplify right side
    401,634.72x = 133,311,592,212.48
  5. Step 5: Solve for x
    x = 133,311,592,212.48/401,634.72
  6. Step 6: Final answer
    x = 331,922.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.