Finding the Fourth Proportional to 172,863.75, 238,551.99 and 93,375.75
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Solution
The fourth proportional to 172,863.75, 238,551.99 and 93,375.75 is: 128,858.54
Step by Step Solution
- Step 1: Write the proportion equation
172,863.75 : 238,551.99 = 93,375.75 : x - Step 2: Convert to fraction form
172,863.75/238,551.99 = 93,375.75/x - Step 3: Cross multiply
172,863.75x = 238,551.99 × 93,375.75 - Step 4: Simplify right side
172,863.75x = 22,274,970,980.24 - Step 5: Solve for x
x = 22,274,970,980.24/172,863.75 - Step 6: Final answer
x = 128,858.54
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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.