Finding the Fourth Proportional to 156,970.62, 235,450.62 and 68,224.14
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Solution
The fourth proportional to 156,970.62, 235,450.62 and 68,224.14 is: 102,333.90
Step by Step Solution
- Step 1: Write the proportion equation
156,970.62 : 235,450.62 = 68,224.14 : x - Step 2: Convert to fraction form
156,970.62/235,450.62 = 68,224.14/x - Step 3: Cross multiply
156,970.62x = 235,450.62 × 68,224.14 - Step 4: Simplify right side
156,970.62x = 16,063,416,061.97 - Step 5: Solve for x
x = 16,063,416,061.97/156,970.62 - Step 6: Final answer
x = 102,333.90
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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.