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Finding the Fourth Proportional to 297,799.60, 446,699.40 and 98,150.80

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Solution

The fourth proportional to 297,799.60, 446,699.40 and 98,150.80 is: 147,226.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,799.60 : 446,699.40 = 98,150.80 : x
  2. Step 2: Convert to fraction form
    297,799.60/446,699.40 = 98,150.80/x
  3. Step 3: Cross multiply
    297,799.60x = 446,699.40 × 98,150.80
  4. Step 4: Simplify right side
    297,799.60x = 43,843,903,469.52
  5. Step 5: Solve for x
    x = 43,843,903,469.52/297,799.60
  6. Step 6: Final answer
    x = 147,226.20

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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.