Home / 218,944.24-328,518.44-215,406.16

Finding the Fourth Proportional to 218,944.24, 328,518.44 and 215,406.16

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Solution

The fourth proportional to 218,944.24, 328,518.44 and 215,406.16 is: 323,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.24 : 328,518.44 = 215,406.16 : x
  2. Step 2: Convert to fraction form
    218,944.24/328,518.44 = 215,406.16/x
  3. Step 3: Cross multiply
    218,944.24x = 328,518.44 × 215,406.16
  4. Step 4: Simplify right side
    218,944.24x = 70,764,895,649.59
  5. Step 5: Solve for x
    x = 70,764,895,649.59/218,944.24
  6. Step 6: Final answer
    x = 323,209.67

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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.