Finding the Fourth Proportional to 276,940.32, 382,177.76 and 149,615.68
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Solution
The fourth proportional to 276,940.32, 382,177.76 and 149,615.68 is: 206,469.70
Step by Step Solution
- Step 1: Write the proportion equation
276,940.32 : 382,177.76 = 149,615.68 : x - Step 2: Convert to fraction form
276,940.32/382,177.76 = 149,615.68/x - Step 3: Cross multiply
276,940.32x = 382,177.76 × 149,615.68 - Step 4: Simplify right side
276,940.32x = 57,179,785,443.28 - Step 5: Solve for x
x = 57,179,785,443.28/276,940.32 - Step 6: Final answer
x = 206,469.70
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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.