Finding the Fourth Proportional to 79,714.83, 119,494.49 and 38,190.99
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Solution
The fourth proportional to 79,714.83, 119,494.49 and 38,190.99 is: 57,249.23
Step by Step Solution
- Step 1: Write the proportion equation
79,714.83 : 119,494.49 = 38,190.99 : x - Step 2: Convert to fraction form
79,714.83/119,494.49 = 38,190.99/x - Step 3: Cross multiply
79,714.83x = 119,494.49 × 38,190.99 - Step 4: Simplify right side
79,714.83x = 4,563,612,681.69 - Step 5: Solve for x
x = 4,563,612,681.69/79,714.83 - Step 6: Final answer
x = 57,249.23
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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.