Finding the Fourth Proportional to 171,861.80, 257,792.70 and 93,129.80
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Solution
The fourth proportional to 171,861.80, 257,792.70 and 93,129.80 is: 139,694.70
Step by Step Solution
- Step 1: Write the proportion equation
171,861.80 : 257,792.70 = 93,129.80 : x - Step 2: Convert to fraction form
171,861.80/257,792.70 = 93,129.80/x - Step 3: Cross multiply
171,861.80x = 257,792.70 × 93,129.80 - Step 4: Simplify right side
171,861.80x = 24,008,182,592.46 - Step 5: Solve for x
x = 24,008,182,592.46/171,861.80 - Step 6: Final answer
x = 139,694.70
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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.