Finding the Fourth Proportional to 387,536.08, 534,799.92 and 217,770.88
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Solution
The fourth proportional to 387,536.08, 534,799.92 and 217,770.88 is: 300,523.89
Step by Step Solution
- Step 1: Write the proportion equation
387,536.08 : 534,799.92 = 217,770.88 : x - Step 2: Convert to fraction form
387,536.08/534,799.92 = 217,770.88/x - Step 3: Cross multiply
387,536.08x = 534,799.92 × 217,770.88 - Step 4: Simplify right side
387,536.08x = 116,463,849,202.33 - Step 5: Solve for x
x = 116,463,849,202.33/387,536.08 - Step 6: Final answer
x = 300,523.89
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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.