Home / 379,435.44-569,446.92-142,993.20

Finding the Fourth Proportional to 379,435.44, 569,446.92 and 142,993.20

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Solution

The fourth proportional to 379,435.44, 569,446.92 and 142,993.20 is: 214,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,435.44 : 569,446.92 = 142,993.20 : x
  2. Step 2: Convert to fraction form
    379,435.44/569,446.92 = 142,993.20/x
  3. Step 3: Cross multiply
    379,435.44x = 569,446.92 × 142,993.20
  4. Step 4: Simplify right side
    379,435.44x = 81,427,037,320.94
  5. Step 5: Solve for x
    x = 81,427,037,320.94/379,435.44
  6. Step 6: Final answer
    x = 214,600.51

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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.