Finding the Fourth Proportional to 319,492.70, 479,157.01 and 94,799.99
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Solution
The fourth proportional to 319,492.70, 479,157.01 and 94,799.99 is: 142,175.64
Step by Step Solution
- Step 1: Write the proportion equation
319,492.70 : 479,157.01 = 94,799.99 : x - Step 2: Convert to fraction form
319,492.70/479,157.01 = 94,799.99/x - Step 3: Cross multiply
319,492.70x = 479,157.01 × 94,799.99 - Step 4: Simplify right side
319,492.70x = 45,424,079,756.43 - Step 5: Solve for x
x = 45,424,079,756.43/319,492.70 - Step 6: Final answer
x = 142,175.64
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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.