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Finding the Fourth Proportional to 216,373.47, 324,762.03 and 109,833.09

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Solution

The fourth proportional to 216,373.47, 324,762.03 and 109,833.09 is: 164,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,373.47 : 324,762.03 = 109,833.09 : x
  2. Step 2: Convert to fraction form
    216,373.47/324,762.03 = 109,833.09/x
  3. Step 3: Cross multiply
    216,373.47x = 324,762.03 × 109,833.09
  4. Step 4: Simplify right side
    216,373.47x = 35,669,617,269.57
  5. Step 5: Solve for x
    x = 35,669,617,269.57/216,373.47
  6. Step 6: Final answer
    x = 164,852.08

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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.