Finding the Fourth Proportional to 118,244.70, 177,453.45 and 83,252.70
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Solution
The fourth proportional to 118,244.70, 177,453.45 and 83,252.70 is: 124,939.88
Step by Step Solution
- Step 1: Write the proportion equation
118,244.70 : 177,453.45 = 83,252.70 : x - Step 2: Convert to fraction form
118,244.70/177,453.45 = 83,252.70/x - Step 3: Cross multiply
118,244.70x = 177,453.45 × 83,252.70 - Step 4: Simplify right side
118,244.70x = 14,773,478,836.82 - Step 5: Solve for x
x = 14,773,478,836.82/118,244.70 - Step 6: Final answer
x = 124,939.88
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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.