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Finding the Fourth Proportional to 199,427.60, 299,287.20 and 132,845.60

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Solution

The fourth proportional to 199,427.60, 299,287.20 and 132,845.60 is: 199,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,427.60 : 299,287.20 = 132,845.60 : x
  2. Step 2: Convert to fraction form
    199,427.60/299,287.20 = 132,845.60/x
  3. Step 3: Cross multiply
    199,427.60x = 299,287.20 × 132,845.60
  4. Step 4: Simplify right side
    199,427.60x = 39,758,987,656.32
  5. Step 5: Solve for x
    x = 39,758,987,656.32/199,427.60
  6. Step 6: Final answer
    x = 199,365.52

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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.