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Finding the Fourth Proportional to 388,992.24, 536,942.25 and 227,898.63

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Solution

The fourth proportional to 388,992.24, 536,942.25 and 227,898.63 is: 314,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,992.24 : 536,942.25 = 227,898.63 : x
  2. Step 2: Convert to fraction form
    388,992.24/536,942.25 = 227,898.63/x
  3. Step 3: Cross multiply
    388,992.24x = 536,942.25 × 227,898.63
  4. Step 4: Simplify right side
    388,992.24x = 122,368,403,164.12
  5. Step 5: Solve for x
    x = 122,368,403,164.12/388,992.24
  6. Step 6: Final answer
    x = 314,578.01

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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.