Home / 324,820.36-487,314.60-100,175.82

Finding the Fourth Proportional to 324,820.36, 487,314.60 and 100,175.82

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Solution

The fourth proportional to 324,820.36, 487,314.60 and 100,175.82 is: 150,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,820.36 : 487,314.60 = 100,175.82 : x
  2. Step 2: Convert to fraction form
    324,820.36/487,314.60 = 100,175.82/x
  3. Step 3: Cross multiply
    324,820.36x = 487,314.60 × 100,175.82
  4. Step 4: Simplify right side
    324,820.36x = 48,817,139,652.97
  5. Step 5: Solve for x
    x = 48,817,139,652.97/324,820.36
  6. Step 6: Final answer
    x = 150,289.65

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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.