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Finding the Fourth Proportional to 366,885.60, 550,328.40 and 283,839.20

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Solution

The fourth proportional to 366,885.60, 550,328.40 and 283,839.20 is: 425,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,885.60 : 550,328.40 = 283,839.20 : x
  2. Step 2: Convert to fraction form
    366,885.60/550,328.40 = 283,839.20/x
  3. Step 3: Cross multiply
    366,885.60x = 550,328.40 × 283,839.20
  4. Step 4: Simplify right side
    366,885.60x = 156,204,772,793.28
  5. Step 5: Solve for x
    x = 156,204,772,793.28/366,885.60
  6. Step 6: Final answer
    x = 425,758.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.