Finding the Fourth Proportional to 156,165.43, 234,344.53 and 61,378.99
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Solution
The fourth proportional to 156,165.43, 234,344.53 and 61,378.99 is: 92,106.37
Step by Step Solution
- Step 1: Write the proportion equation
156,165.43 : 234,344.53 = 61,378.99 : x - Step 2: Convert to fraction form
156,165.43/234,344.53 = 61,378.99/x - Step 3: Cross multiply
156,165.43x = 234,344.53 × 61,378.99 - Step 4: Simplify right side
156,165.43x = 14,383,830,627.07 - Step 5: Solve for x
x = 14,383,830,627.07/156,165.43 - Step 6: Final answer
x = 92,106.37
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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.