Finding the Fourth Proportional to 670,687.68, 1,006,131.54 and 221,456
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Solution
The fourth proportional to 670,687.68, 1,006,131.54 and 221,456 is: 332,217.03
Step by Step Solution
- Step 1: Write the proportion equation
670,687.68 : 1,006,131.54 = 221,456 : x - Step 2: Convert to fraction form
670,687.68/1,006,131.54 = 221,456/x - Step 3: Cross multiply
670,687.68x = 1,006,131.54 × 221,456 - Step 4: Simplify right side
670,687.68x = 222,813,866,322.24 - Step 5: Solve for x
x = 222,813,866,322.24/670,687.68 - Step 6: Final answer
x = 332,217.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.