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Finding the Fourth Proportional to 225,807.37, 311,621.04 and 123,837.08

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Solution

The fourth proportional to 225,807.37, 311,621.04 and 123,837.08 is: 170,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,807.37 : 311,621.04 = 123,837.08 : x
  2. Step 2: Convert to fraction form
    225,807.37/311,621.04 = 123,837.08/x
  3. Step 3: Cross multiply
    225,807.37x = 311,621.04 × 123,837.08
  4. Step 4: Simplify right side
    225,807.37x = 38,590,238,102.06
  5. Step 5: Solve for x
    x = 38,590,238,102.06/225,807.37
  6. Step 6: Final answer
    x = 170,898.93

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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.