Home / 216,529.02-324,786.24-76,284

Finding the Fourth Proportional to 216,529.02, 324,786.24 and 76,284

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Solution

The fourth proportional to 216,529.02, 324,786.24 and 76,284 is: 114,423.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,529.02 : 324,786.24 = 76,284 : x
  2. Step 2: Convert to fraction form
    216,529.02/324,786.24 = 76,284/x
  3. Step 3: Cross multiply
    216,529.02x = 324,786.24 × 76,284
  4. Step 4: Simplify right side
    216,529.02x = 24,775,993,532.16
  5. Step 5: Solve for x
    x = 24,775,993,532.16/216,529.02
  6. Step 6: Final answer
    x = 114,423.43

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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.