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Finding the Fourth Proportional to 304,952.08, 420,836.34 and 168,988.29

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Solution

The fourth proportional to 304,952.08, 420,836.34 and 168,988.29 is: 233,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,952.08 : 420,836.34 = 168,988.29 : x
  2. Step 2: Convert to fraction form
    304,952.08/420,836.34 = 168,988.29/x
  3. Step 3: Cross multiply
    304,952.08x = 420,836.34 × 168,988.29
  4. Step 4: Simplify right side
    304,952.08x = 71,116,413,466.46
  5. Step 5: Solve for x
    x = 71,116,413,466.46/304,952.08
  6. Step 6: Final answer
    x = 233,205.21

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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.