Home / 219,487.44-329,197.50-69,708.36

Finding the Fourth Proportional to 219,487.44, 329,197.50 and 69,708.36

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Solution

The fourth proportional to 219,487.44, 329,197.50 and 69,708.36 is: 104,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,487.44 : 329,197.50 = 69,708.36 : x
  2. Step 2: Convert to fraction form
    219,487.44/329,197.50 = 69,708.36/x
  3. Step 3: Cross multiply
    219,487.44x = 329,197.50 × 69,708.36
  4. Step 4: Simplify right side
    219,487.44x = 22,947,817,841.10
  5. Step 5: Solve for x
    x = 22,947,817,841.10/219,487.44
  6. Step 6: Final answer
    x = 104,551.85

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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.