Finding the Fourth Proportional to 328,223.73, 492,418.62 and 91,566.23
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Solution
The fourth proportional to 328,223.73, 492,418.62 and 91,566.23 is: 137,372.50
Step by Step Solution
- Step 1: Write the proportion equation
328,223.73 : 492,418.62 = 91,566.23 : x - Step 2: Convert to fraction form
328,223.73/492,418.62 = 91,566.23/x - Step 3: Cross multiply
328,223.73x = 492,418.62 × 91,566.23 - Step 4: Simplify right side
328,223.73x = 45,088,914,153.11 - Step 5: Solve for x
x = 45,088,914,153.11/328,223.73 - Step 6: Final answer
x = 137,372.50
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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.