Finding the Fourth Proportional to 314,071.05, 471,046.49 and 121,945.49
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Solution
The fourth proportional to 314,071.05, 471,046.49 and 121,945.49 is: 182,894.90
Step by Step Solution
- Step 1: Write the proportion equation
314,071.05 : 471,046.49 = 121,945.49 : x - Step 2: Convert to fraction form
314,071.05/471,046.49 = 121,945.49/x - Step 3: Cross multiply
314,071.05x = 471,046.49 × 121,945.49 - Step 4: Simplify right side
314,071.05x = 57,441,992,070.87 - Step 5: Solve for x
x = 57,441,992,070.87/314,071.05 - Step 6: Final answer
x = 182,894.90
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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.