Home / 297,826.60-446,739.90-131,938.60

Finding the Fourth Proportional to 297,826.60, 446,739.90 and 131,938.60

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Solution

The fourth proportional to 297,826.60, 446,739.90 and 131,938.60 is: 197,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,826.60 : 446,739.90 = 131,938.60 : x
  2. Step 2: Convert to fraction form
    297,826.60/446,739.90 = 131,938.60/x
  3. Step 3: Cross multiply
    297,826.60x = 446,739.90 × 131,938.60
  4. Step 4: Simplify right side
    297,826.60x = 58,942,236,970.14
  5. Step 5: Solve for x
    x = 58,942,236,970.14/297,826.60
  6. Step 6: Final answer
    x = 197,907.90

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1.5x scale

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.