Finding the Fourth Proportional to 343,589.13, 474,136.99 and 190,625.70
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Solution
The fourth proportional to 343,589.13, 474,136.99 and 190,625.70 is: 263,054.58
Step by Step Solution
- Step 1: Write the proportion equation
343,589.13 : 474,136.99 = 190,625.70 : x - Step 2: Convert to fraction form
343,589.13/474,136.99 = 190,625.70/x - Step 3: Cross multiply
343,589.13x = 474,136.99 × 190,625.70 - Step 4: Simplify right side
343,589.13x = 90,382,695,614.64 - Step 5: Solve for x
x = 90,382,695,614.64/343,589.13 - Step 6: Final answer
x = 263,054.58
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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.