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Finding the Fourth Proportional to 304,899.40, 457,349.10 and 205,366.60

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Solution

The fourth proportional to 304,899.40, 457,349.10 and 205,366.60 is: 308,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,899.40 : 457,349.10 = 205,366.60 : x
  2. Step 2: Convert to fraction form
    304,899.40/457,349.10 = 205,366.60/x
  3. Step 3: Cross multiply
    304,899.40x = 457,349.10 × 205,366.60
  4. Step 4: Simplify right side
    304,899.40x = 93,924,229,680.06
  5. Step 5: Solve for x
    x = 93,924,229,680.06/304,899.40
  6. Step 6: Final answer
    x = 308,049.90

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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.