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Finding the Fourth Proportional to 253,844.34, 350,464.42 and 163,357.51

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Solution

The fourth proportional to 253,844.34, 350,464.42 and 163,357.51 is: 225,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,844.34 : 350,464.42 = 163,357.51 : x
  2. Step 2: Convert to fraction form
    253,844.34/350,464.42 = 163,357.51/x
  3. Step 3: Cross multiply
    253,844.34x = 350,464.42 × 163,357.51
  4. Step 4: Simplify right side
    253,844.34x = 57,250,994,994.79
  5. Step 5: Solve for x
    x = 57,250,994,994.79/253,844.34
  6. Step 6: Final answer
    x = 225,535.83

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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.