Finding the Fourth Proportional to 335,340.87, 462,824.31 and 197,542.05
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Solution
The fourth proportional to 335,340.87, 462,824.31 and 197,542.05 is: 272,639.79
Step by Step Solution
- Step 1: Write the proportion equation
335,340.87 : 462,824.31 = 197,542.05 : x - Step 2: Convert to fraction form
335,340.87/462,824.31 = 197,542.05/x - Step 3: Cross multiply
335,340.87x = 462,824.31 × 197,542.05 - Step 4: Simplify right side
335,340.87x = 91,427,262,987.24 - Step 5: Solve for x
x = 91,427,262,987.24/335,340.87 - Step 6: Final answer
x = 272,639.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.