Finding the Fourth Proportional to 318,739.53, 478,161.18 and 94,122.66
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Solution
The fourth proportional to 318,739.53, 478,161.18 and 94,122.66 is: 141,199.31
Step by Step Solution
- Step 1: Write the proportion equation
318,739.53 : 478,161.18 = 94,122.66 : x - Step 2: Convert to fraction form
318,739.53/478,161.18 = 94,122.66/x - Step 3: Cross multiply
318,739.53x = 478,161.18 × 94,122.66 - Step 4: Simplify right side
318,739.53x = 45,005,802,170.34 - Step 5: Solve for x
x = 45,005,802,170.34/318,739.53 - Step 6: Final answer
x = 141,199.31
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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.