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Finding the Fourth Proportional to 304,952.84, 420,837.38 and 168,989.04

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Solution

The fourth proportional to 304,952.84, 420,837.38 and 168,989.04 is: 233,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,952.84 : 420,837.38 = 168,989.04 : x
  2. Step 2: Convert to fraction form
    304,952.84/420,837.38 = 168,989.04/x
  3. Step 3: Cross multiply
    304,952.84x = 420,837.38 × 168,989.04
  4. Step 4: Simplify right side
    304,952.84x = 71,116,903,997.37
  5. Step 5: Solve for x
    x = 71,116,903,997.37/304,952.84
  6. Step 6: Final answer
    x = 233,206.24

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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.