Finding the Fourth Proportional to 157,311.64, 235,876.33 and 107,451.99
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Solution
The fourth proportional to 157,311.64, 235,876.33 and 107,451.99 is: 161,115.73
Step by Step Solution
- Step 1: Write the proportion equation
157,311.64 : 235,876.33 = 107,451.99 : x - Step 2: Convert to fraction form
157,311.64/235,876.33 = 107,451.99/x - Step 3: Cross multiply
157,311.64x = 235,876.33 × 107,451.99 - Step 4: Simplify right side
157,311.64x = 25,345,379,335.76 - Step 5: Solve for x
x = 25,345,379,335.76/157,311.64 - Step 6: Final answer
x = 161,115.73
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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.