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Finding the Fourth Proportional to 324,937.47, 487,493.16 and 100,288.83

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Solution

The fourth proportional to 324,937.47, 487,493.16 and 100,288.83 is: 150,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,937.47 : 487,493.16 = 100,288.83 : x
  2. Step 2: Convert to fraction form
    324,937.47/487,493.16 = 100,288.83/x
  3. Step 3: Cross multiply
    324,937.47x = 487,493.16 × 100,288.83
  4. Step 4: Simplify right side
    324,937.47x = 48,890,118,649.40
  5. Step 5: Solve for x
    x = 48,890,118,649.40/324,937.47
  6. Step 6: Final answer
    x = 150,460.08

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1.5x scale

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.