Finding the Fourth Proportional to 133,306.97, 183,965.81 and 79,596.68
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Solution
The fourth proportional to 133,306.97, 183,965.81 and 79,596.68 is: 109,844.72
Step by Step Solution
- Step 1: Write the proportion equation
133,306.97 : 183,965.81 = 79,596.68 : x - Step 2: Convert to fraction form
133,306.97/183,965.81 = 79,596.68/x - Step 3: Cross multiply
133,306.97x = 183,965.81 × 79,596.68 - Step 4: Simplify right side
133,306.97x = 14,643,066,391.70 - Step 5: Solve for x
x = 14,643,066,391.70/133,306.97 - Step 6: Final answer
x = 109,844.72
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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.