Home / 219,385.48-329,078.22-53,173.48

Finding the Fourth Proportional to 219,385.48, 329,078.22 and 53,173.48

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Solution

The fourth proportional to 219,385.48, 329,078.22 and 53,173.48 is: 79,760.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,385.48 : 329,078.22 = 53,173.48 : x
  2. Step 2: Convert to fraction form
    219,385.48/329,078.22 = 53,173.48/x
  3. Step 3: Cross multiply
    219,385.48x = 329,078.22 × 53,173.48
  4. Step 4: Simplify right side
    219,385.48x = 17,498,232,238.35
  5. Step 5: Solve for x
    x = 17,498,232,238.35/219,385.48
  6. Step 6: Final answer
    x = 79,760.21

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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.