Finding the Fourth Proportional to 314,838.36, 472,396.86 and 165,042.99
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Solution
The fourth proportional to 314,838.36, 472,396.86 and 165,042.99 is: 247,637.52
Step by Step Solution
- Step 1: Write the proportion equation
314,838.36 : 472,396.86 = 165,042.99 : x - Step 2: Convert to fraction form
314,838.36/472,396.86 = 165,042.99/x - Step 3: Cross multiply
314,838.36x = 472,396.86 × 165,042.99 - Step 4: Simplify right side
314,838.36x = 77,965,790,241.01 - Step 5: Solve for x
x = 77,965,790,241.01/314,838.36 - Step 6: Final answer
x = 247,637.52
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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.