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Finding the Fourth Proportional to 308,046.70, 462,223.65 and 175,029.10

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Solution

The fourth proportional to 308,046.70, 462,223.65 and 175,029.10 is: 262,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,046.70 : 462,223.65 = 175,029.10 : x
  2. Step 2: Convert to fraction form
    308,046.70/462,223.65 = 175,029.10/x
  3. Step 3: Cross multiply
    308,046.70x = 462,223.65 × 175,029.10
  4. Step 4: Simplify right side
    308,046.70x = 80,902,589,458.22
  5. Step 5: Solve for x
    x = 80,902,589,458.22/308,046.70
  6. Step 6: Final answer
    x = 262,630.92

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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.