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Finding the Fourth Proportional to 302,593.20, 453,889.80 and 92,241.60

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Solution

The fourth proportional to 302,593.20, 453,889.80 and 92,241.60 is: 138,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,593.20 : 453,889.80 = 92,241.60 : x
  2. Step 2: Convert to fraction form
    302,593.20/453,889.80 = 92,241.60/x
  3. Step 3: Cross multiply
    302,593.20x = 453,889.80 × 92,241.60
  4. Step 4: Simplify right side
    302,593.20x = 41,867,521,375.68
  5. Step 5: Solve for x
    x = 41,867,521,375.68/302,593.20
  6. Step 6: Final answer
    x = 138,362.40

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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.