Home / 219,406.08-329,057.76-61,649.60

Finding the Fourth Proportional to 219,406.08, 329,057.76 and 61,649.60

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Solution

The fourth proportional to 219,406.08, 329,057.76 and 61,649.60 is: 92,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,406.08 : 329,057.76 = 61,649.60 : x
  2. Step 2: Convert to fraction form
    219,406.08/329,057.76 = 61,649.60/x
  3. Step 3: Cross multiply
    219,406.08x = 329,057.76 × 61,649.60
  4. Step 4: Simplify right side
    219,406.08x = 20,286,279,280.90
  5. Step 5: Solve for x
    x = 20,286,279,280.90/219,406.08
  6. Step 6: Final answer
    x = 92,459.97

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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.