Finding the Fourth Proportional to 79,445.68, 119,218.76 and 44,408.32
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Solution
The fourth proportional to 79,445.68, 119,218.76 and 44,408.32 is: 66,640.56
Step by Step Solution
- Step 1: Write the proportion equation
79,445.68 : 119,218.76 = 44,408.32 : x - Step 2: Convert to fraction form
79,445.68/119,218.76 = 44,408.32/x - Step 3: Cross multiply
79,445.68x = 119,218.76 × 44,408.32 - Step 4: Simplify right side
79,445.68x = 5,294,304,844.08 - Step 5: Solve for x
x = 5,294,304,844.08/79,445.68 - Step 6: Final answer
x = 66,640.56
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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.