Home / 224,429.67-309,432.82-143,724.51

Finding the Fourth Proportional to 224,429.67, 309,432.82 and 143,724.51

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Solution

The fourth proportional to 224,429.67, 309,432.82 and 143,724.51 is: 198,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,429.67 : 309,432.82 = 143,724.51 : x
  2. Step 2: Convert to fraction form
    224,429.67/309,432.82 = 143,724.51/x
  3. Step 3: Cross multiply
    224,429.67x = 309,432.82 × 143,724.51
  4. Step 4: Simplify right side
    224,429.67x = 44,473,081,233.48
  5. Step 5: Solve for x
    x = 44,473,081,233.48/224,429.67
  6. Step 6: Final answer
    x = 198,160.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.