Finding the Fourth Proportional to 221,207.92, 305,277.60 and 124,442.08
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Solution
The fourth proportional to 221,207.92, 305,277.60 and 124,442.08 is: 171,736.07
Step by Step Solution
- Step 1: Write the proportion equation
221,207.92 : 305,277.60 = 124,442.08 : x - Step 2: Convert to fraction form
221,207.92/305,277.60 = 124,442.08/x - Step 3: Cross multiply
221,207.92x = 305,277.60 × 124,442.08 - Step 4: Simplify right side
221,207.92x = 37,989,379,521.41 - Step 5: Solve for x
x = 37,989,379,521.41/221,207.92 - Step 6: Final answer
x = 171,736.07
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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.