Finding the Fourth Proportional to 171,793.71, 257,724.17 and 51,860.45
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Solution
The fourth proportional to 171,793.71, 257,724.17 and 51,860.45 is: 77,800.82
Step by Step Solution
- Step 1: Write the proportion equation
171,793.71 : 257,724.17 = 51,860.45 : x - Step 2: Convert to fraction form
171,793.71/257,724.17 = 51,860.45/x - Step 3: Cross multiply
171,793.71x = 257,724.17 × 51,860.45 - Step 4: Simplify right side
171,793.71x = 13,365,691,938.63 - Step 5: Solve for x
x = 13,365,691,938.63/171,793.71 - Step 6: Final answer
x = 77,800.82
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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.