Home / 219,614.08-329,418.72-53,402.24

Finding the Fourth Proportional to 219,614.08, 329,418.72 and 53,402.24

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Solution

The fourth proportional to 219,614.08, 329,418.72 and 53,402.24 is: 80,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,614.08 : 329,418.72 = 53,402.24 : x
  2. Step 2: Convert to fraction form
    219,614.08/329,418.72 = 53,402.24/x
  3. Step 3: Cross multiply
    219,614.08x = 329,418.72 × 53,402.24
  4. Step 4: Simplify right side
    219,614.08x = 17,591,697,545.93
  5. Step 5: Solve for x
    x = 17,591,697,545.93/219,614.08
  6. Step 6: Final answer
    x = 80,102.78

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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.