Finding the Fourth Proportional to 319,493.70, 479,158.51 and 94,800.99
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Solution
The fourth proportional to 319,493.70, 479,158.51 and 94,800.99 is: 142,177.14
Step by Step Solution
- Step 1: Write the proportion equation
319,493.70 : 479,158.51 = 94,800.99 : x - Step 2: Convert to fraction form
319,493.70/479,158.51 = 94,800.99/x - Step 3: Cross multiply
319,493.70x = 479,158.51 × 94,800.99 - Step 4: Simplify right side
319,493.70x = 45,424,701,114.92 - Step 5: Solve for x
x = 45,424,701,114.92/319,493.70 - Step 6: Final answer
x = 142,177.14
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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.