Home / 219,440.61-329,173.20-61,656.75

Finding the Fourth Proportional to 219,440.61, 329,173.20 and 61,656.75

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Solution

The fourth proportional to 219,440.61, 329,173.20 and 61,656.75 is: 92,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,440.61 : 329,173.20 = 61,656.75 : x
  2. Step 2: Convert to fraction form
    219,440.61/329,173.20 = 61,656.75/x
  3. Step 3: Cross multiply
    219,440.61x = 329,173.20 × 61,656.75
  4. Step 4: Simplify right side
    219,440.61x = 20,295,749,699.10
  5. Step 5: Solve for x
    x = 20,295,749,699.10/219,440.61
  6. Step 6: Final answer
    x = 92,488.58

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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.