Finding the Fourth Proportional to 207,346.40, 286,137.72 and 116,703.02
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Solution
The fourth proportional to 207,346.40, 286,137.72 and 116,703.02 is: 161,049.99
Step by Step Solution
- Step 1: Write the proportion equation
207,346.40 : 286,137.72 = 116,703.02 : x - Step 2: Convert to fraction form
207,346.40/286,137.72 = 116,703.02/x - Step 3: Cross multiply
207,346.40x = 286,137.72 × 116,703.02 - Step 4: Simplify right side
207,346.40x = 33,393,136,059.91 - Step 5: Solve for x
x = 33,393,136,059.91/207,346.40 - Step 6: Final answer
x = 161,049.99
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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.