Finding the Fourth Proportional to 415,699.44, 573,622.42 and 306,861.68
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Solution
The fourth proportional to 415,699.44, 573,622.42 and 306,861.68 is: 423,437.52
Step by Step Solution
- Step 1: Write the proportion equation
415,699.44 : 573,622.42 = 306,861.68 : x - Step 2: Convert to fraction form
415,699.44/573,622.42 = 306,861.68/x - Step 3: Cross multiply
415,699.44x = 573,622.42 × 306,861.68 - Step 4: Simplify right side
415,699.44x = 176,022,739,486.87 - Step 5: Solve for x
x = 176,022,739,486.87/415,699.44 - Step 6: Final answer
x = 423,437.52
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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.