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Finding the Fourth Proportional to 307,600.60, 461,012.10 and 149,488.60

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Solution

The fourth proportional to 307,600.60, 461,012.10 and 149,488.60 is: 224,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,600.60 : 461,012.10 = 149,488.60 : x
  2. Step 2: Convert to fraction form
    307,600.60/461,012.10 = 149,488.60/x
  3. Step 3: Cross multiply
    307,600.60x = 461,012.10 × 149,488.60
  4. Step 4: Simplify right side
    307,600.60x = 68,916,053,412.06
  5. Step 5: Solve for x
    x = 68,916,053,412.06/307,600.60
  6. Step 6: Final answer
    x = 224,043.95

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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.