Finding the Fourth Proportional to 416,041.26, 574,136.48 and 225,054.18
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Solution
The fourth proportional to 416,041.26, 574,136.48 and 225,054.18 is: 310,574.52
Step by Step Solution
- Step 1: Write the proportion equation
416,041.26 : 574,136.48 = 225,054.18 : x - Step 2: Convert to fraction form
416,041.26/574,136.48 = 225,054.18/x - Step 3: Cross multiply
416,041.26x = 574,136.48 × 225,054.18 - Step 4: Simplify right side
416,041.26x = 129,211,813,589.22 - Step 5: Solve for x
x = 129,211,813,589.22/416,041.26 - Step 6: Final answer
x = 310,574.52
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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.