Finding the Fourth Proportional to 170,818.97, 256,228.92 and 52,490.12
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Solution
The fourth proportional to 170,818.97, 256,228.92 and 52,490.12 is: 78,735.32
Step by Step Solution
- Step 1: Write the proportion equation
170,818.97 : 256,228.92 = 52,490.12 : x - Step 2: Convert to fraction form
170,818.97/256,228.92 = 52,490.12/x - Step 3: Cross multiply
170,818.97x = 256,228.92 × 52,490.12 - Step 4: Simplify right side
170,818.97x = 13,449,485,477.13 - Step 5: Solve for x
x = 13,449,485,477.13/170,818.97 - Step 6: Final answer
x = 78,735.32
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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.