Finding the Fourth Proportional to 247,908.96, 342,114.21 and 134,731.68
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Solution
The fourth proportional to 247,908.96, 342,114.21 and 134,731.68 is: 185,929.63
Step by Step Solution
- Step 1: Write the proportion equation
247,908.96 : 342,114.21 = 134,731.68 : x - Step 2: Convert to fraction form
247,908.96/342,114.21 = 134,731.68/x - Step 3: Cross multiply
247,908.96x = 342,114.21 × 134,731.68 - Step 4: Simplify right side
247,908.96x = 46,093,622,265.17 - Step 5: Solve for x
x = 46,093,622,265.17/247,908.96 - Step 6: Final answer
x = 185,929.63
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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.