Home / 216,006.30-324,011.43-66,247.34

Finding the Fourth Proportional to 216,006.30, 324,011.43 and 66,247.34

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Solution

The fourth proportional to 216,006.30, 324,011.43 and 66,247.34 is: 99,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,006.30 : 324,011.43 = 66,247.34 : x
  2. Step 2: Convert to fraction form
    216,006.30/324,011.43 = 66,247.34/x
  3. Step 3: Cross multiply
    216,006.30x = 324,011.43 × 66,247.34
  4. Step 4: Simplify right side
    216,006.30x = 21,464,893,747.04
  5. Step 5: Solve for x
    x = 21,464,893,747.04/216,006.30
  6. Step 6: Final answer
    x = 99,371.61

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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.