Home / 216,035.70-324,053.55-162,381.30

Finding the Fourth Proportional to 216,035.70, 324,053.55 and 162,381.30

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Solution

The fourth proportional to 216,035.70, 324,053.55 and 162,381.30 is: 243,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,035.70 : 324,053.55 = 162,381.30 : x
  2. Step 2: Convert to fraction form
    216,035.70/324,053.55 = 162,381.30/x
  3. Step 3: Cross multiply
    216,035.70x = 324,053.55 × 162,381.30
  4. Step 4: Simplify right side
    216,035.70x = 52,620,236,718.62
  5. Step 5: Solve for x
    x = 52,620,236,718.62/216,035.70
  6. Step 6: Final answer
    x = 243,571.95

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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.