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Finding the Fourth Proportional to 304,910.37, 457,784.48 and 155,251.22

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Solution

The fourth proportional to 304,910.37, 457,784.48 and 155,251.22 is: 233,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,910.37 : 457,784.48 = 155,251.22 : x
  2. Step 2: Convert to fraction form
    304,910.37/457,784.48 = 155,251.22/x
  3. Step 3: Cross multiply
    304,910.37x = 457,784.48 × 155,251.22
  4. Step 4: Simplify right side
    304,910.37x = 71,071,597,116.27
  5. Step 5: Solve for x
    x = 71,071,597,116.27/304,910.37
  6. Step 6: Final answer
    x = 233,090.13

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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.