Finding the Fourth Proportional to 319,144.04, 478,861.39 and 119,479.99
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Solution
The fourth proportional to 319,144.04, 478,861.39 and 119,479.99 is: 179,274.38
Step by Step Solution
- Step 1: Write the proportion equation
319,144.04 : 478,861.39 = 119,479.99 : x - Step 2: Convert to fraction form
319,144.04/478,861.39 = 119,479.99/x - Step 3: Cross multiply
319,144.04x = 478,861.39 × 119,479.99 - Step 4: Simplify right side
319,144.04x = 57,214,351,395.58 - Step 5: Solve for x
x = 57,214,351,395.58/319,144.04 - Step 6: Final answer
x = 179,274.38
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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.