Home / 491,037.71-736,736.46-206,799.80

Finding the Fourth Proportional to 491,037.71, 736,736.46 and 206,799.80

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Solution

The fourth proportional to 491,037.71, 736,736.46 and 206,799.80 is: 310,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,037.71 : 736,736.46 = 206,799.80 : x
  2. Step 2: Convert to fraction form
    491,037.71/736,736.46 = 206,799.80/x
  3. Step 3: Cross multiply
    491,037.71x = 736,736.46 × 206,799.80
  4. Step 4: Simplify right side
    491,037.71x = 152,356,948,121.53
  5. Step 5: Solve for x
    x = 152,356,948,121.53/491,037.71
  6. Step 6: Final answer
    x = 310,275.46

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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.