Finding the Fourth Proportional to 314,344.74, 471,252.62 and 136,717.97
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Solution
The fourth proportional to 314,344.74, 471,252.62 and 136,717.97 is: 204,961.92
Step by Step Solution
- Step 1: Write the proportion equation
314,344.74 : 471,252.62 = 136,717.97 : x - Step 2: Convert to fraction form
314,344.74/471,252.62 = 136,717.97/x - Step 3: Cross multiply
314,344.74x = 471,252.62 × 136,717.97 - Step 4: Simplify right side
314,344.74x = 64,428,700,385.45 - Step 5: Solve for x
x = 64,428,700,385.45/314,344.74 - Step 6: Final answer
x = 204,961.92
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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.