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Finding the Fourth Proportional to 340,099.54, 509,930.61 and 162,602.62

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Solution

The fourth proportional to 340,099.54, 509,930.61 and 162,602.62 is: 243,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,099.54 : 509,930.61 = 162,602.62 : x
  2. Step 2: Convert to fraction form
    340,099.54/509,930.61 = 162,602.62/x
  3. Step 3: Cross multiply
    340,099.54x = 509,930.61 × 162,602.62
  4. Step 4: Simplify right side
    340,099.54x = 82,916,053,204.20
  5. Step 5: Solve for x
    x = 82,916,053,204.20/340,099.54
  6. Step 6: Final answer
    x = 243,799.37

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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.