Finding the Fourth Proportional to 235,478.08, 353,375.84 and 87,734.08
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Solution
The fourth proportional to 235,478.08, 353,375.84 and 87,734.08 is: 131,660.26
Step by Step Solution
- Step 1: Write the proportion equation
235,478.08 : 353,375.84 = 87,734.08 : x - Step 2: Convert to fraction form
235,478.08/353,375.84 = 87,734.08/x - Step 3: Cross multiply
235,478.08x = 353,375.84 × 87,734.08 - Step 4: Simplify right side
235,478.08x = 31,003,104,216.63 - Step 5: Solve for x
x = 31,003,104,216.63/235,478.08 - Step 6: Final answer
x = 131,660.26
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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.