Finding the Fourth Proportional to 276,946.48, 382,185.66 and 149,621.68
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Solution
The fourth proportional to 276,946.48, 382,185.66 and 149,621.68 is: 206,477.66
Step by Step Solution
- Step 1: Write the proportion equation
276,946.48 : 382,185.66 = 149,621.68 : x - Step 2: Convert to fraction form
276,946.48/382,185.66 = 149,621.68/x - Step 3: Cross multiply
276,946.48x = 382,185.66 × 149,621.68 - Step 4: Simplify right side
276,946.48x = 57,183,260,521.11 - Step 5: Solve for x
x = 57,183,260,521.11/276,946.48 - Step 6: Final answer
x = 206,477.66
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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.