Home / 324,938.32-487,219.86-100,238.42

Finding the Fourth Proportional to 324,938.32, 487,219.86 and 100,238.42

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Solution

The fourth proportional to 324,938.32, 487,219.86 and 100,238.42 is: 150,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,938.32 : 487,219.86 = 100,238.42 : x
  2. Step 2: Convert to fraction form
    324,938.32/487,219.86 = 100,238.42/x
  3. Step 3: Cross multiply
    324,938.32x = 487,219.86 × 100,238.42
  4. Step 4: Simplify right side
    324,938.32x = 48,838,148,959.02
  5. Step 5: Solve for x
    x = 48,838,148,959.02/324,938.32
  6. Step 6: Final answer
    x = 150,299.75

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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.