Home / 219,417.73-329,137.98-69,669.74

Finding the Fourth Proportional to 219,417.73, 329,137.98 and 69,669.74

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Solution

The fourth proportional to 219,417.73, 329,137.98 and 69,669.74 is: 104,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,417.73 : 329,137.98 = 69,669.74 : x
  2. Step 2: Convert to fraction form
    219,417.73/329,137.98 = 69,669.74/x
  3. Step 3: Cross multiply
    219,417.73x = 329,137.98 × 69,669.74
  4. Step 4: Simplify right side
    219,417.73x = 22,930,957,490.73
  5. Step 5: Solve for x
    x = 22,930,957,490.73/219,417.73
  6. Step 6: Final answer
    x = 104,508.22

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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.