Finding the Fourth Proportional to 311,416.06, 429,754.15 and 168,176.09
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Solution
The fourth proportional to 311,416.06, 429,754.15 and 168,176.09 is: 232,083.00
Step by Step Solution
- Step 1: Write the proportion equation
311,416.06 : 429,754.15 = 168,176.09 : x - Step 2: Convert to fraction form
311,416.06/429,754.15 = 168,176.09/x - Step 3: Cross multiply
311,416.06x = 429,754.15 × 168,176.09 - Step 4: Simplify right side
311,416.06x = 72,274,372,608.27 - Step 5: Solve for x
x = 72,274,372,608.27/311,416.06 - Step 6: Final answer
x = 232,083.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.