Finding the Fourth Proportional to 343,486.09, 474,012.53 and 190,513.65
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Solution
The fourth proportional to 343,486.09, 474,012.53 and 190,513.65 is: 262,909.79
Step by Step Solution
- Step 1: Write the proportion equation
343,486.09 : 474,012.53 = 190,513.65 : x - Step 2: Convert to fraction form
343,486.09/474,012.53 = 190,513.65/x - Step 3: Cross multiply
343,486.09x = 474,012.53 × 190,513.65 - Step 4: Simplify right side
343,486.09x = 90,305,857,236.03 - Step 5: Solve for x
x = 90,305,857,236.03/343,486.09 - Step 6: Final answer
x = 262,909.79
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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.