Home / 384,371.43-576,363.60-128,113.25

Finding the Fourth Proportional to 384,371.43, 576,363.60 and 128,113.25

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Solution

The fourth proportional to 384,371.43, 576,363.60 and 128,113.25 is: 192,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,371.43 : 576,363.60 = 128,113.25 : x
  2. Step 2: Convert to fraction form
    384,371.43/576,363.60 = 128,113.25/x
  3. Step 3: Cross multiply
    384,371.43x = 576,363.60 × 128,113.25
  4. Step 4: Simplify right side
    384,371.43x = 73,839,813,737.67
  5. Step 5: Solve for x
    x = 73,839,813,737.67/384,371.43
  6. Step 6: Final answer
    x = 192,105.36

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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.