Home / 297,947.60-446,629.80-120,217.40

Finding the Fourth Proportional to 297,947.60, 446,629.80 and 120,217.40

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Solution

The fourth proportional to 297,947.60, 446,629.80 and 120,217.40 is: 180,208.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,947.60 : 446,629.80 = 120,217.40 : x
  2. Step 2: Convert to fraction form
    297,947.60/446,629.80 = 120,217.40/x
  3. Step 3: Cross multiply
    297,947.60x = 446,629.80 × 120,217.40
  4. Step 4: Simplify right side
    297,947.60x = 53,692,673,318.52
  5. Step 5: Solve for x
    x = 53,692,673,318.52/297,947.60
  6. Step 6: Final answer
    x = 180,208.44

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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.