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Finding the Fourth Proportional to 227,287.02, 340,930.25 and 61,075.02

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Solution

The fourth proportional to 227,287.02, 340,930.25 and 61,075.02 is: 91,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,287.02 : 340,930.25 = 61,075.02 : x
  2. Step 2: Convert to fraction form
    227,287.02/340,930.25 = 61,075.02/x
  3. Step 3: Cross multiply
    227,287.02x = 340,930.25 × 61,075.02
  4. Step 4: Simplify right side
    227,287.02x = 20,822,321,837.36
  5. Step 5: Solve for x
    x = 20,822,321,837.36/227,287.02
  6. Step 6: Final answer
    x = 91,612.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.