Finding the Fourth Proportional to 356,251.76, 534,211.44 and 206,534.96
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Solution
The fourth proportional to 356,251.76, 534,211.44 and 206,534.96 is: 309,706.09
Step by Step Solution
- Step 1: Write the proportion equation
356,251.76 : 534,211.44 = 206,534.96 : x - Step 2: Convert to fraction form
356,251.76/534,211.44 = 206,534.96/x - Step 3: Cross multiply
356,251.76x = 534,211.44 × 206,534.96 - Step 4: Simplify right side
356,251.76x = 110,333,338,391.94 - Step 5: Solve for x
x = 110,333,338,391.94/356,251.76 - Step 6: Final answer
x = 309,706.09
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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.