Finding the Fourth Proportional to 156,428.94, 234,631.17 and 44,104.62
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Solution
The fourth proportional to 156,428.94, 234,631.17 and 44,104.62 is: 66,153.48
Step by Step Solution
- Step 1: Write the proportion equation
156,428.94 : 234,631.17 = 44,104.62 : x - Step 2: Convert to fraction form
156,428.94/234,631.17 = 44,104.62/x - Step 3: Cross multiply
156,428.94x = 234,631.17 × 44,104.62 - Step 4: Simplify right side
156,428.94x = 10,348,318,593.01 - Step 5: Solve for x
x = 10,348,318,593.01/156,428.94 - Step 6: Final answer
x = 66,153.48
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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.