Finding the Fourth Proportional to 163,362.38, 244,813.73 and 129,934.08
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Solution
The fourth proportional to 163,362.38, 244,813.73 and 129,934.08 is: 194,718.31
Step by Step Solution
- Step 1: Write the proportion equation
163,362.38 : 244,813.73 = 129,934.08 : x - Step 2: Convert to fraction form
163,362.38/244,813.73 = 129,934.08/x - Step 3: Cross multiply
163,362.38x = 244,813.73 × 129,934.08 - Step 4: Simplify right side
163,362.38x = 31,809,646,129.25 - Step 5: Solve for x
x = 31,809,646,129.25/163,362.38 - Step 6: Final answer
x = 194,718.31
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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.