Finding the Fourth Proportional to 156,968.62, 235,447.63 and 68,222.13
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Solution
The fourth proportional to 156,968.62, 235,447.63 and 68,222.13 is: 102,330.89
Step by Step Solution
- Step 1: Write the proportion equation
156,968.62 : 235,447.63 = 68,222.13 : x - Step 2: Convert to fraction form
156,968.62/235,447.63 = 68,222.13/x - Step 3: Cross multiply
156,968.62x = 235,447.63 × 68,222.13 - Step 4: Simplify right side
156,968.62x = 16,062,738,822.05 - Step 5: Solve for x
x = 16,062,738,822.05/156,968.62 - Step 6: Final answer
x = 102,330.89
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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.