Finding the Fourth Proportional to 413,456.08, 620,186.56 and 147,226.96
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Solution
The fourth proportional to 413,456.08, 620,186.56 and 147,226.96 is: 220,841.31
Step by Step Solution
- Step 1: Write the proportion equation
413,456.08 : 620,186.56 = 147,226.96 : x - Step 2: Convert to fraction form
413,456.08/620,186.56 = 147,226.96/x - Step 3: Cross multiply
413,456.08x = 620,186.56 × 147,226.96 - Step 4: Simplify right side
413,456.08x = 91,308,181,861.66 - Step 5: Solve for x
x = 91,308,181,861.66/413,456.08 - Step 6: Final answer
x = 220,841.31
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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.