Finding the Fourth Proportional to 276,885.13, 382,101.50 and 149,560.73
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Solution
The fourth proportional to 276,885.13, 382,101.50 and 149,560.73 is: 206,393.82
Step by Step Solution
- Step 1: Write the proportion equation
276,885.13 : 382,101.50 = 149,560.73 : x - Step 2: Convert to fraction form
276,885.13/382,101.50 = 149,560.73/x - Step 3: Cross multiply
276,885.13x = 382,101.50 × 149,560.73 - Step 4: Simplify right side
276,885.13x = 57,147,379,274.10 - Step 5: Solve for x
x = 57,147,379,274.10/276,885.13 - Step 6: Final answer
x = 206,393.82
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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.