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Finding the Fourth Proportional to 216,488.80, 324,733.20 and 164,000.80

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Solution

The fourth proportional to 216,488.80, 324,733.20 and 164,000.80 is: 246,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,488.80 : 324,733.20 = 164,000.80 : x
  2. Step 2: Convert to fraction form
    216,488.80/324,733.20 = 164,000.80/x
  3. Step 3: Cross multiply
    216,488.80x = 324,733.20 × 164,000.80
  4. Step 4: Simplify right side
    216,488.80x = 53,256,504,586.56
  5. Step 5: Solve for x
    x = 53,256,504,586.56/216,488.80
  6. Step 6: Final answer
    x = 246,001.20

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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.