Finding the Fourth Proportional to 442,043.20, 663,642.96 and 262,456.48
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Solution
The fourth proportional to 442,043.20, 663,642.96 and 262,456.48 is: 394,027.99
Step by Step Solution
- Step 1: Write the proportion equation
442,043.20 : 663,642.96 = 262,456.48 : x - Step 2: Convert to fraction form
442,043.20/663,642.96 = 262,456.48/x - Step 3: Cross multiply
442,043.20x = 663,642.96 × 262,456.48 - Step 4: Simplify right side
442,043.20x = 174,177,395,258.38 - Step 5: Solve for x
x = 174,177,395,258.38/442,043.20 - Step 6: Final answer
x = 394,027.99
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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.