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Finding the Fourth Proportional to 324,247.58, 486,389.08 and 134,727.11

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Solution

The fourth proportional to 324,247.58, 486,389.08 and 134,727.11 is: 202,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,247.58 : 486,389.08 = 134,727.11 : x
  2. Step 2: Convert to fraction form
    324,247.58/486,389.08 = 134,727.11/x
  3. Step 3: Cross multiply
    324,247.58x = 486,389.08 × 134,727.11
  4. Step 4: Simplify right side
    324,247.58x = 65,529,796,622.48
  5. Step 5: Solve for x
    x = 65,529,796,622.48/324,247.58
  6. Step 6: Final answer
    x = 202,098.03

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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.