Finding the Fourth Proportional to 314,838.48, 472,396.84 and 165,042.96
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Solution
The fourth proportional to 314,838.48, 472,396.84 and 165,042.96 is: 247,637.37
Step by Step Solution
- Step 1: Write the proportion equation
314,838.48 : 472,396.84 = 165,042.96 : x - Step 2: Convert to fraction form
314,838.48/472,396.84 = 165,042.96/x - Step 3: Cross multiply
314,838.48x = 472,396.84 × 165,042.96 - Step 4: Simplify right side
314,838.48x = 77,965,772,768.25 - Step 5: Solve for x
x = 77,965,772,768.25/314,838.48 - Step 6: Final answer
x = 247,637.37
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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.