Finding the Fourth Proportional to 118,020.66, 177,063.84 and 51,466.68
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Solution
The fourth proportional to 118,020.66, 177,063.84 and 51,466.68 is: 77,214.35
Step by Step Solution
- Step 1: Write the proportion equation
118,020.66 : 177,063.84 = 51,466.68 : x - Step 2: Convert to fraction form
118,020.66/177,063.84 = 51,466.68/x - Step 3: Cross multiply
118,020.66x = 177,063.84 × 51,466.68 - Step 4: Simplify right side
118,020.66x = 9,112,887,992.85 - Step 5: Solve for x
x = 9,112,887,992.85/118,020.66 - Step 6: Final answer
x = 77,214.35
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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.