Finding the Fourth Proportional to 478,487.32, 717,486.99 and 158,523.75
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Solution
The fourth proportional to 478,487.32, 717,486.99 and 158,523.75 is: 237,704.79
Step by Step Solution
- Step 1: Write the proportion equation
478,487.32 : 717,486.99 = 158,523.75 : x - Step 2: Convert to fraction form
478,487.32/717,486.99 = 158,523.75/x - Step 3: Cross multiply
478,487.32x = 717,486.99 × 158,523.75 - Step 4: Simplify right side
478,487.32x = 113,738,728,231.01 - Step 5: Solve for x
x = 113,738,728,231.01/478,487.32 - Step 6: Final answer
x = 237,704.79
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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.