Home / 324,970.08-487,274-100,266.72

Finding the Fourth Proportional to 324,970.08, 487,274 and 100,266.72

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Solution

The fourth proportional to 324,970.08, 487,274 and 100,266.72 is: 150,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,970.08 : 487,274 = 100,266.72 : x
  2. Step 2: Convert to fraction form
    324,970.08/487,274 = 100,266.72/x
  3. Step 3: Cross multiply
    324,970.08x = 487,274 × 100,266.72
  4. Step 4: Simplify right side
    324,970.08x = 48,857,365,721.28
  5. Step 5: Solve for x
    x = 48,857,365,721.28/324,970.08
  6. Step 6: Final answer
    x = 150,344.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.