Home / 297,905.40-446,858.10-268,380.90

Finding the Fourth Proportional to 297,905.40, 446,858.10 and 268,380.90

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Solution

The fourth proportional to 297,905.40, 446,858.10 and 268,380.90 is: 402,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,905.40 : 446,858.10 = 268,380.90 : x
  2. Step 2: Convert to fraction form
    297,905.40/446,858.10 = 268,380.90/x
  3. Step 3: Cross multiply
    297,905.40x = 446,858.10 × 268,380.90
  4. Step 4: Simplify right side
    297,905.40x = 119,928,179,050.29
  5. Step 5: Solve for x
    x = 119,928,179,050.29/297,905.40
  6. Step 6: Final answer
    x = 402,571.35

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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.