Finding the Fourth Proportional to 343,588.63, 474,136.31 and 190,625.19
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Solution
The fourth proportional to 343,588.63, 474,136.31 and 190,625.19 is: 263,053.89
Step by Step Solution
- Step 1: Write the proportion equation
343,588.63 : 474,136.31 = 190,625.19 : x - Step 2: Convert to fraction form
343,588.63/474,136.31 = 190,625.19/x - Step 3: Cross multiply
343,588.63x = 474,136.31 × 190,625.19 - Step 4: Simplify right side
343,588.63x = 90,382,324,179.65 - Step 5: Solve for x
x = 90,382,324,179.65/343,588.63 - Step 6: Final answer
x = 263,053.89
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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.