Finding the Fourth Proportional to 315,269.49, 435,081.48 and 179,322.99
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Solution
The fourth proportional to 315,269.49, 435,081.48 and 179,322.99 is: 247,471.17
Step by Step Solution
- Step 1: Write the proportion equation
315,269.49 : 435,081.48 = 179,322.99 : x - Step 2: Convert to fraction form
315,269.49/435,081.48 = 179,322.99/x - Step 3: Cross multiply
315,269.49x = 435,081.48 × 179,322.99 - Step 4: Simplify right side
315,269.49x = 78,020,110,806.88 - Step 5: Solve for x
x = 78,020,110,806.88/315,269.49 - Step 6: Final answer
x = 247,471.17
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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.