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Finding the Fourth Proportional to 304,373, 420,036.18 and 170,237

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Solution

The fourth proportional to 304,373, 420,036.18 and 170,237 is: 234,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,373 : 420,036.18 = 170,237 : x
  2. Step 2: Convert to fraction form
    304,373/420,036.18 = 170,237/x
  3. Step 3: Cross multiply
    304,373x = 420,036.18 × 170,237
  4. Step 4: Simplify right side
    304,373x = 71,505,699,174.66
  5. Step 5: Solve for x
    x = 71,505,699,174.66/304,373
  6. Step 6: Final answer
    x = 234,927.87

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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.