Finding the Fourth Proportional to 177,666.67, 245,149.09 and 106,042.42
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Solution
The fourth proportional to 177,666.67, 245,149.09 and 106,042.42 is: 146,320.09
Step by Step Solution
- Step 1: Write the proportion equation
177,666.67 : 245,149.09 = 106,042.42 : x - Step 2: Convert to fraction form
177,666.67/245,149.09 = 106,042.42/x - Step 3: Cross multiply
177,666.67x = 245,149.09 × 106,042.42 - Step 4: Simplify right side
177,666.67x = 25,996,202,764.40 - Step 5: Solve for x
x = 25,996,202,764.40/177,666.67 - Step 6: Final answer
x = 146,320.09
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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.