Finding the Fourth Proportional to 382,441.02, 573,639.66 and 145,807.62
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Solution
The fourth proportional to 382,441.02, 573,639.66 and 145,807.62 is: 218,703.09
Step by Step Solution
- Step 1: Write the proportion equation
382,441.02 : 573,639.66 = 145,807.62 : x - Step 2: Convert to fraction form
382,441.02/573,639.66 = 145,807.62/x - Step 3: Cross multiply
382,441.02x = 573,639.66 × 145,807.62 - Step 4: Simplify right side
382,441.02x = 83,641,033,562.21 - Step 5: Solve for x
x = 83,641,033,562.21/382,441.02 - Step 6: Final answer
x = 218,703.09
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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.