Home / 297,296.64-446,013.05-128,845.22

Finding the Fourth Proportional to 297,296.64, 446,013.05 and 128,845.22

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Solution

The fourth proportional to 297,296.64, 446,013.05 and 128,845.22 is: 193,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,296.64 : 446,013.05 = 128,845.22 : x
  2. Step 2: Convert to fraction form
    297,296.64/446,013.05 = 128,845.22/x
  3. Step 3: Cross multiply
    297,296.64x = 446,013.05 × 128,845.22
  4. Step 4: Simplify right side
    297,296.64x = 57,466,649,550.12
  5. Step 5: Solve for x
    x = 57,466,649,550.12/297,296.64
  6. Step 6: Final answer
    x = 193,297.34

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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.