Home / 216,278.78-324,214.04-104,022.50

Finding the Fourth Proportional to 216,278.78, 324,214.04 and 104,022.50

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Solution

The fourth proportional to 216,278.78, 324,214.04 and 104,022.50 is: 155,935.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,278.78 : 324,214.04 = 104,022.50 : x
  2. Step 2: Convert to fraction form
    216,278.78/324,214.04 = 104,022.50/x
  3. Step 3: Cross multiply
    216,278.78x = 324,214.04 × 104,022.50
  4. Step 4: Simplify right side
    216,278.78x = 33,725,554,975.90
  5. Step 5: Solve for x
    x = 33,725,554,975.90/216,278.78
  6. Step 6: Final answer
    x = 155,935.57

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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.