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Finding the Fourth Proportional to 297,847.40, 446,850.30 and 129,295.40

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Solution

The fourth proportional to 297,847.40, 446,850.30 and 129,295.40 is: 193,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,847.40 : 446,850.30 = 129,295.40 : x
  2. Step 2: Convert to fraction form
    297,847.40/446,850.30 = 129,295.40/x
  3. Step 3: Cross multiply
    297,847.40x = 446,850.30 × 129,295.40
  4. Step 4: Simplify right side
    297,847.40x = 57,775,688,278.62
  5. Step 5: Solve for x
    x = 57,775,688,278.62/297,847.40
  6. Step 6: Final answer
    x = 193,977.48

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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.