Finding the Fourth Proportional to 235,398.75, 324,745.36 and 156,838.06
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Solution
The fourth proportional to 235,398.75, 324,745.36 and 156,838.06 is: 216,366.62
Step by Step Solution
- Step 1: Write the proportion equation
235,398.75 : 324,745.36 = 156,838.06 : x - Step 2: Convert to fraction form
235,398.75/324,745.36 = 156,838.06/x - Step 3: Cross multiply
235,398.75x = 324,745.36 × 156,838.06 - Step 4: Simplify right side
235,398.75x = 50,932,432,256.40 - Step 5: Solve for x
x = 50,932,432,256.40/235,398.75 - Step 6: Final answer
x = 216,366.62
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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.