Finding the Fourth Proportional to 399,654.82, 551,891.97 and 256,663.98
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Solution
The fourth proportional to 399,654.82, 551,891.97 and 256,663.98 is: 354,432.83
Step by Step Solution
- Step 1: Write the proportion equation
399,654.82 : 551,891.97 = 256,663.98 : x - Step 2: Convert to fraction form
399,654.82/551,891.97 = 256,663.98/x - Step 3: Cross multiply
399,654.82x = 551,891.97 × 256,663.98 - Step 4: Simplify right side
399,654.82x = 141,650,789,550.24 - Step 5: Solve for x
x = 141,650,789,550.24/399,654.82 - Step 6: Final answer
x = 354,432.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.