Finding the Fourth Proportional to 78,232.08, 117,351.76 and 22,828.08
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Solution
The fourth proportional to 78,232.08, 117,351.76 and 22,828.08 is: 34,243.18
Step by Step Solution
- Step 1: Write the proportion equation
78,232.08 : 117,351.76 = 22,828.08 : x - Step 2: Convert to fraction form
78,232.08/117,351.76 = 22,828.08/x - Step 3: Cross multiply
78,232.08x = 117,351.76 × 22,828.08 - Step 4: Simplify right side
78,232.08x = 2,678,915,365.42 - Step 5: Solve for x
x = 2,678,915,365.42/78,232.08 - Step 6: Final answer
x = 34,243.18
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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.