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Finding the Fourth Proportional to 491,911.25, 736,200.23 and 302,491.60

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Solution

The fourth proportional to 491,911.25, 736,200.23 and 302,491.60 is: 452,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,911.25 : 736,200.23 = 302,491.60 : x
  2. Step 2: Convert to fraction form
    491,911.25/736,200.23 = 302,491.60/x
  3. Step 3: Cross multiply
    491,911.25x = 736,200.23 × 302,491.60
  4. Step 4: Simplify right side
    491,911.25x = 222,694,382,140.11
  5. Step 5: Solve for x
    x = 222,694,382,140.11/491,911.25
  6. Step 6: Final answer
    x = 452,712.53

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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.