Finding the Fourth Proportional to 265,886.84, 366,924.97 and 145,030.70
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Solution
The fourth proportional to 265,886.84, 366,924.97 and 145,030.70 is: 200,142.98
Step by Step Solution
- Step 1: Write the proportion equation
265,886.84 : 366,924.97 = 145,030.70 : x - Step 2: Convert to fraction form
265,886.84/366,924.97 = 145,030.70/x - Step 3: Cross multiply
265,886.84x = 366,924.97 × 145,030.70 - Step 4: Simplify right side
265,886.84x = 53,215,383,049.38 - Step 5: Solve for x
x = 53,215,383,049.38/265,886.84 - Step 6: Final answer
x = 200,142.98
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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.