Finding the Fourth Proportional to 194,338.74, 290,849.67 and 119,506.26
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Solution
The fourth proportional to 194,338.74, 290,849.67 and 119,506.26 is: 178,854.49
Step by Step Solution
- Step 1: Write the proportion equation
194,338.74 : 290,849.67 = 119,506.26 : x - Step 2: Convert to fraction form
194,338.74/290,849.67 = 119,506.26/x - Step 3: Cross multiply
194,338.74x = 290,849.67 × 119,506.26 - Step 4: Simplify right side
194,338.74x = 34,758,356,283.93 - Step 5: Solve for x
x = 34,758,356,283.93/194,338.74 - Step 6: Final answer
x = 178,854.49
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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.