Home / 219,623.22-329,434.83-53,409.78

Finding the Fourth Proportional to 219,623.22, 329,434.83 and 53,409.78

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Solution

The fourth proportional to 219,623.22, 329,434.83 and 53,409.78 is: 80,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,623.22 : 329,434.83 = 53,409.78 : x
  2. Step 2: Convert to fraction form
    219,623.22/329,434.83 = 53,409.78/x
  3. Step 3: Cross multiply
    219,623.22x = 329,434.83 × 53,409.78
  4. Step 4: Simplify right side
    219,623.22x = 17,595,041,794.64
  5. Step 5: Solve for x
    x = 17,595,041,794.64/219,623.22
  6. Step 6: Final answer
    x = 80,114.67

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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.