Home / 216,217.53-324,217.41-72,072.32

Finding the Fourth Proportional to 216,217.53, 324,217.41 and 72,072.32

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Solution

The fourth proportional to 216,217.53, 324,217.41 and 72,072.32 is: 108,072.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,217.53 : 324,217.41 = 72,072.32 : x
  2. Step 2: Convert to fraction form
    216,217.53/324,217.41 = 72,072.32/x
  3. Step 3: Cross multiply
    216,217.53x = 324,217.41 × 72,072.32
  4. Step 4: Simplify right side
    216,217.53x = 23,367,099,302.00
  5. Step 5: Solve for x
    x = 23,367,099,302.00/216,217.53
  6. Step 6: Final answer
    x = 108,072.18

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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.