Finding the Fourth Proportional to 314,115.75, 471,324.83 and 156,357.99
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Solution
The fourth proportional to 314,115.75, 471,324.83 and 156,357.99 is: 234,612.25
Step by Step Solution
- Step 1: Write the proportion equation
314,115.75 : 471,324.83 = 156,357.99 : x - Step 2: Convert to fraction form
314,115.75/471,324.83 = 156,357.99/x - Step 3: Cross multiply
314,115.75x = 471,324.83 × 156,357.99 - Step 4: Simplify right side
314,115.75x = 73,695,402,274.10 - Step 5: Solve for x
x = 73,695,402,274.10/314,115.75 - Step 6: Final answer
x = 234,612.25
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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.