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Finding the Fourth Proportional to 295,605.60, 443,408.40 and 201,127.20

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Solution

The fourth proportional to 295,605.60, 443,408.40 and 201,127.20 is: 301,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,605.60 : 443,408.40 = 201,127.20 : x
  2. Step 2: Convert to fraction form
    295,605.60/443,408.40 = 201,127.20/x
  3. Step 3: Cross multiply
    295,605.60x = 443,408.40 × 201,127.20
  4. Step 4: Simplify right side
    295,605.60x = 89,181,489,948.48
  5. Step 5: Solve for x
    x = 89,181,489,948.48/295,605.60
  6. Step 6: Final answer
    x = 301,690.80

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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.