Finding the Fourth Proportional to 634,168.53, 875,161.08 and 347,687.91
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Solution
The fourth proportional to 634,168.53, 875,161.08 and 347,687.91 is: 479,813.98
Step by Step Solution
- Step 1: Write the proportion equation
634,168.53 : 875,161.08 = 347,687.91 : x - Step 2: Convert to fraction form
634,168.53/875,161.08 = 347,687.91/x - Step 3: Cross multiply
634,168.53x = 875,161.08 × 347,687.91 - Step 4: Simplify right side
634,168.53x = 304,282,926,818.54 - Step 5: Solve for x
x = 304,282,926,818.54/634,168.53 - Step 6: Final answer
x = 479,813.98
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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.