Home / 351,311.25-484,875.21-200,408.25

Finding the Fourth Proportional to 351,311.25, 484,875.21 and 200,408.25

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Solution

The fourth proportional to 351,311.25, 484,875.21 and 200,408.25 is: 276,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,311.25 : 484,875.21 = 200,408.25 : x
  2. Step 2: Convert to fraction form
    351,311.25/484,875.21 = 200,408.25/x
  3. Step 3: Cross multiply
    351,311.25x = 484,875.21 × 200,408.25
  4. Step 4: Simplify right side
    351,311.25x = 97,172,992,304.48
  5. Step 5: Solve for x
    x = 97,172,992,304.48/351,311.25
  6. Step 6: Final answer
    x = 276,600.86

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1.5x scale

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.