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Finding the Fourth Proportional to 304,801, 420,625.38 and 170,667.88

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Solution

The fourth proportional to 304,801, 420,625.38 and 170,667.88 is: 235,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,801 : 420,625.38 = 170,667.88 : x
  2. Step 2: Convert to fraction form
    304,801/420,625.38 = 170,667.88/x
  3. Step 3: Cross multiply
    304,801x = 420,625.38 × 170,667.88
  4. Step 4: Simplify right side
    304,801x = 71,787,241,878.79
  5. Step 5: Solve for x
    x = 71,787,241,878.79/304,801
  6. Step 6: Final answer
    x = 235,521.67

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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.