Home / 221,971.73-333,006.91-103,578.49

Finding the Fourth Proportional to 221,971.73, 333,006.91 and 103,578.49

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Solution

The fourth proportional to 221,971.73, 333,006.91 and 103,578.49 is: 155,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,971.73 : 333,006.91 = 103,578.49 : x
  2. Step 2: Convert to fraction form
    221,971.73/333,006.91 = 103,578.49/x
  3. Step 3: Cross multiply
    221,971.73x = 333,006.91 × 103,578.49
  4. Step 4: Simplify right side
    221,971.73x = 34,492,351,805.90
  5. Step 5: Solve for x
    x = 34,492,351,805.90/221,971.73
  6. Step 6: Final answer
    x = 155,390.74

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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.