Finding the Fourth Proportional to 303,357.15, 418,716.14 and 176,073.75
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Solution
The fourth proportional to 303,357.15, 418,716.14 and 176,073.75 is: 243,030.11
Step by Step Solution
- Step 1: Write the proportion equation
303,357.15 : 418,716.14 = 176,073.75 : x - Step 2: Convert to fraction form
303,357.15/418,716.14 = 176,073.75/x - Step 3: Cross multiply
303,357.15x = 418,716.14 × 176,073.75 - Step 4: Simplify right side
303,357.15x = 73,724,920,074.96 - Step 5: Solve for x
x = 73,724,920,074.96/303,357.15 - Step 6: Final answer
x = 243,030.11
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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.