Finding the Fourth Proportional to 276,917.63, 382,146.32 and 149,593.23
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Solution
The fourth proportional to 276,917.63, 382,146.32 and 149,593.23 is: 206,438.66
Step by Step Solution
- Step 1: Write the proportion equation
276,917.63 : 382,146.32 = 149,593.23 : x - Step 2: Convert to fraction form
276,917.63/382,146.32 = 149,593.23/x - Step 3: Cross multiply
276,917.63x = 382,146.32 × 149,593.23 - Step 4: Simplify right side
276,917.63x = 57,166,502,715.40 - Step 5: Solve for x
x = 57,166,502,715.40/276,917.63 - Step 6: Final answer
x = 206,438.66
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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.