Finding the Fourth Proportional to 193,708.80, 290,555.12 and 67,377.65
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Solution
The fourth proportional to 193,708.80, 290,555.12 and 67,377.65 is: 101,063.66
Step by Step Solution
- Step 1: Write the proportion equation
193,708.80 : 290,555.12 = 67,377.65 : x - Step 2: Convert to fraction form
193,708.80/290,555.12 = 67,377.65/x - Step 3: Cross multiply
193,708.80x = 290,555.12 × 67,377.65 - Step 4: Simplify right side
193,708.80x = 19,576,919,896.74 - Step 5: Solve for x
x = 19,576,919,896.74/193,708.80 - Step 6: Final answer
x = 101,063.66
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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.