Finding the Fourth Proportional to 311,552.09, 467,327.96 and 74,894.69
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Solution
The fourth proportional to 311,552.09, 467,327.96 and 74,894.69 is: 112,341.99
Step by Step Solution
- Step 1: Write the proportion equation
311,552.09 : 467,327.96 = 74,894.69 : x - Step 2: Convert to fraction form
311,552.09/467,327.96 = 74,894.69/x - Step 3: Cross multiply
311,552.09x = 467,327.96 × 74,894.69 - Step 4: Simplify right side
311,552.09x = 35,000,379,981.42 - Step 5: Solve for x
x = 35,000,379,981.42/311,552.09 - Step 6: Final answer
x = 112,341.99
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1.5x scale
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.