Finding the Fourth Proportional to 314,337.94, 471,502.28 and 77,680.62
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Solution
The fourth proportional to 314,337.94, 471,502.28 and 77,680.62 is: 116,519.79
Step by Step Solution
- Step 1: Write the proportion equation
314,337.94 : 471,502.28 = 77,680.62 : x - Step 2: Convert to fraction form
314,337.94/471,502.28 = 77,680.62/x - Step 3: Cross multiply
314,337.94x = 471,502.28 × 77,680.62 - Step 4: Simplify right side
314,337.94x = 36,626,589,441.81 - Step 5: Solve for x
x = 36,626,589,441.81/314,337.94 - Step 6: Final answer
x = 116,519.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.