Finding the Fourth Proportional to 416,368.80, 574,589.62 and 225,382.95
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Solution
The fourth proportional to 416,368.80, 574,589.62 and 225,382.95 is: 311,028.84
Step by Step Solution
- Step 1: Write the proportion equation
416,368.80 : 574,589.62 = 225,382.95 : x - Step 2: Convert to fraction form
416,368.80/574,589.62 = 225,382.95/x - Step 3: Cross multiply
416,368.80x = 574,589.62 × 225,382.95 - Step 4: Simplify right side
416,368.80x = 129,502,703,594.98 - Step 5: Solve for x
x = 129,502,703,594.98/416,368.80 - Step 6: Final answer
x = 311,028.84
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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.