Finding the Fourth Proportional to 276,935.12, 382,170.84 and 149,610.74
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Solution
The fourth proportional to 276,935.12, 382,170.84 and 149,610.74 is: 206,463.02
Step by Step Solution
- Step 1: Write the proportion equation
276,935.12 : 382,170.84 = 149,610.74 : x - Step 2: Convert to fraction form
276,935.12/382,170.84 = 149,610.74/x - Step 3: Cross multiply
276,935.12x = 382,170.84 × 149,610.74 - Step 4: Simplify right side
276,935.12x = 57,176,862,178.82 - Step 5: Solve for x
x = 57,176,862,178.82/276,935.12 - Step 6: Final answer
x = 206,463.02
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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.