Home / 324,741.20-487,025.40-100,101.20

Finding the Fourth Proportional to 324,741.20, 487,025.40 and 100,101.20

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Solution

The fourth proportional to 324,741.20, 487,025.40 and 100,101.20 is: 150,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,741.20 : 487,025.40 = 100,101.20 : x
  2. Step 2: Convert to fraction form
    324,741.20/487,025.40 = 100,101.20/x
  3. Step 3: Cross multiply
    324,741.20x = 487,025.40 × 100,101.20
  4. Step 4: Simplify right side
    324,741.20x = 48,751,826,970.48
  5. Step 5: Solve for x
    x = 48,751,826,970.48/324,741.20
  6. Step 6: Final answer
    x = 150,125.17

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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.