Finding the Fourth Proportional to 341,433.80, 471,178.73 and 188,472.09
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Solution
The fourth proportional to 341,433.80, 471,178.73 and 188,472.09 is: 260,091.53
Step by Step Solution
- Step 1: Write the proportion equation
341,433.80 : 471,178.73 = 188,472.09 : x - Step 2: Convert to fraction form
341,433.80/471,178.73 = 188,472.09/x - Step 3: Cross multiply
341,433.80x = 471,178.73 × 188,472.09 - Step 4: Simplify right side
341,433.80x = 88,804,040,006.65 - Step 5: Solve for x
x = 88,804,040,006.65/341,433.80 - Step 6: Final answer
x = 260,091.53
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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.