Home / 402,928.70-603,664.05-192,101.90

Finding the Fourth Proportional to 402,928.70, 603,664.05 and 192,101.90

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Solution

The fourth proportional to 402,928.70, 603,664.05 and 192,101.90 is: 287,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,928.70 : 603,664.05 = 192,101.90 : x
  2. Step 2: Convert to fraction form
    402,928.70/603,664.05 = 192,101.90/x
  3. Step 3: Cross multiply
    402,928.70x = 603,664.05 × 192,101.90
  4. Step 4: Simplify right side
    402,928.70x = 115,965,010,966.70
  5. Step 5: Solve for x
    x = 115,965,010,966.70/402,928.70
  6. Step 6: Final answer
    x = 287,805.29

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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.