Finding the Fourth Proportional to 112,312.55, 168,492.99 and 32,349.96
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Solution
The fourth proportional to 112,312.55, 168,492.99 and 32,349.96 is: 48,531.90
Step by Step Solution
- Step 1: Write the proportion equation
112,312.55 : 168,492.99 = 32,349.96 : x - Step 2: Convert to fraction form
112,312.55/168,492.99 = 32,349.96/x - Step 3: Cross multiply
112,312.55x = 168,492.99 × 32,349.96 - Step 4: Simplify right side
112,312.55x = 5,450,741,486.78 - Step 5: Solve for x
x = 5,450,741,486.78/112,312.55 - Step 6: Final answer
x = 48,531.90
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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.