Finding the Fourth Proportional to 171,853.98, 257,475.96 and 71,793.96
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Solution
The fourth proportional to 171,853.98, 257,475.96 and 71,793.96 is: 107,563.52
Step by Step Solution
- Step 1: Write the proportion equation
171,853.98 : 257,475.96 = 71,793.96 : x - Step 2: Convert to fraction form
171,853.98/257,475.96 = 71,793.96/x - Step 3: Cross multiply
171,853.98x = 257,475.96 × 71,793.96 - Step 4: Simplify right side
171,853.98x = 18,485,218,773.20 - Step 5: Solve for x
x = 18,485,218,773.20/171,853.98 - Step 6: Final answer
x = 107,563.52
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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.