Home / 347,919.96-480,115.32-202,739.60

Finding the Fourth Proportional to 347,919.96, 480,115.32 and 202,739.60

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Solution

The fourth proportional to 347,919.96, 480,115.32 and 202,739.60 is: 279,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,919.96 : 480,115.32 = 202,739.60 : x
  2. Step 2: Convert to fraction form
    347,919.96/480,115.32 = 202,739.60/x
  3. Step 3: Cross multiply
    347,919.96x = 480,115.32 × 202,739.60
  4. Step 4: Simplify right side
    347,919.96x = 97,338,387,930.67
  5. Step 5: Solve for x
    x = 97,338,387,930.67/347,919.96
  6. Step 6: Final answer
    x = 279,772.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.