Finding the Fourth Proportional to 118,799.36, 177,306.77 and 102,717.92
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Solution
The fourth proportional to 118,799.36, 177,306.77 and 102,717.92 is: 153,305.40
Step by Step Solution
- Step 1: Write the proportion equation
118,799.36 : 177,306.77 = 102,717.92 : x - Step 2: Convert to fraction form
118,799.36/177,306.77 = 102,717.92/x - Step 3: Cross multiply
118,799.36x = 177,306.77 × 102,717.92 - Step 4: Simplify right side
118,799.36x = 18,212,583,316.38 - Step 5: Solve for x
x = 18,212,583,316.38/118,799.36 - Step 6: Final answer
x = 153,305.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.