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Finding the Fourth Proportional to 304,800.39, 420,627.92 and 168,836.42

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Solution

The fourth proportional to 304,800.39, 420,627.92 and 168,836.42 is: 232,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,800.39 : 420,627.92 = 168,836.42 : x
  2. Step 2: Convert to fraction form
    304,800.39/420,627.92 = 168,836.42/x
  3. Step 3: Cross multiply
    304,800.39x = 420,627.92 × 168,836.42
  4. Step 4: Simplify right side
    304,800.39x = 71,017,312,372.23
  5. Step 5: Solve for x
    x = 71,017,312,372.23/304,800.39
  6. Step 6: Final answer
    x = 232,996.13

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1.5x scale

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.