Finding the Fourth Proportional to 178,381.84, 267,587.36 and 89,589.68
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Solution
The fourth proportional to 178,381.84, 267,587.36 and 89,589.68 is: 134,391.85
Step by Step Solution
- Step 1: Write the proportion equation
178,381.84 : 267,587.36 = 89,589.68 : x - Step 2: Convert to fraction form
178,381.84/267,587.36 = 89,589.68/x - Step 3: Cross multiply
178,381.84x = 267,587.36 × 89,589.68 - Step 4: Simplify right side
178,381.84x = 23,973,065,954.44 - Step 5: Solve for x
x = 23,973,065,954.44/178,381.84 - Step 6: Final answer
x = 134,391.85
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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.