Finding the Fourth Proportional to 852,031.80, 1,278,312.88 and 252,996.08
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Solution
The fourth proportional to 852,031.80, 1,278,312.88 and 252,996.08 is: 379,572.86
Step by Step Solution
- Step 1: Write the proportion equation
852,031.80 : 1,278,312.88 = 252,996.08 : x - Step 2: Convert to fraction form
852,031.80/1,278,312.88 = 252,996.08/x - Step 3: Cross multiply
852,031.80x = 1,278,312.88 × 252,996.08 - Step 4: Simplify right side
852,031.80x = 323,408,147,653.51 - Step 5: Solve for x
x = 323,408,147,653.51/852,031.80 - Step 6: Final answer
x = 379,572.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.