Home / 324,945.18-487,372.68-100,313.01

Finding the Fourth Proportional to 324,945.18, 487,372.68 and 100,313.01

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Solution

The fourth proportional to 324,945.18, 487,372.68 and 100,313.01 is: 150,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,945.18 : 487,372.68 = 100,313.01 : x
  2. Step 2: Convert to fraction form
    324,945.18/487,372.68 = 100,313.01/x
  3. Step 3: Cross multiply
    324,945.18x = 487,372.68 × 100,313.01
  4. Step 4: Simplify right side
    324,945.18x = 48,889,820,522.57
  5. Step 5: Solve for x
    x = 48,889,820,522.57/324,945.18
  6. Step 6: Final answer
    x = 150,455.60

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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.