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Finding the Fourth Proportional to 384,873.40, 577,310.10 and 118,610.20

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Solution

The fourth proportional to 384,873.40, 577,310.10 and 118,610.20 is: 177,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,873.40 : 577,310.10 = 118,610.20 : x
  2. Step 2: Convert to fraction form
    384,873.40/577,310.10 = 118,610.20/x
  3. Step 3: Cross multiply
    384,873.40x = 577,310.10 × 118,610.20
  4. Step 4: Simplify right side
    384,873.40x = 68,474,866,423.02
  5. Step 5: Solve for x
    x = 68,474,866,423.02/384,873.40
  6. Step 6: Final answer
    x = 177,915.30

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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.