Finding the Fourth Proportional to 79,412.24, 119,165.70 and 29,496.80
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Solution
The fourth proportional to 79,412.24, 119,165.70 and 29,496.80 is: 44,262.78
Step by Step Solution
- Step 1: Write the proportion equation
79,412.24 : 119,165.70 = 29,496.80 : x - Step 2: Convert to fraction form
79,412.24/119,165.70 = 29,496.80/x - Step 3: Cross multiply
79,412.24x = 119,165.70 × 29,496.80 - Step 4: Simplify right side
79,412.24x = 3,515,006,819.76 - Step 5: Solve for x
x = 3,515,006,819.76/79,412.24 - Step 6: Final answer
x = 44,262.78
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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.