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Finding the Fourth Proportional to 295,937.60, 443,906.40 and 201,459.20

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Solution

The fourth proportional to 295,937.60, 443,906.40 and 201,459.20 is: 302,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,937.60 : 443,906.40 = 201,459.20 : x
  2. Step 2: Convert to fraction form
    295,937.60/443,906.40 = 201,459.20/x
  3. Step 3: Cross multiply
    295,937.60x = 443,906.40 × 201,459.20
  4. Step 4: Simplify right side
    295,937.60x = 89,429,028,218.88
  5. Step 5: Solve for x
    x = 89,429,028,218.88/295,937.60
  6. Step 6: Final answer
    x = 302,188.80

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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.