Finding the Fourth Proportional to 118,284.48, 177,448.32 and 39,391.20
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Solution
The fourth proportional to 118,284.48, 177,448.32 and 39,391.20 is: 59,093.99
Step by Step Solution
- Step 1: Write the proportion equation
118,284.48 : 177,448.32 = 39,391.20 : x - Step 2: Convert to fraction form
118,284.48/177,448.32 = 39,391.20/x - Step 3: Cross multiply
118,284.48x = 177,448.32 × 39,391.20 - Step 4: Simplify right side
118,284.48x = 6,989,902,262.78 - Step 5: Solve for x
x = 6,989,902,262.78/118,284.48 - Step 6: Final answer
x = 59,093.99
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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.