Finding the Fourth Proportional to 271,998.87, 375,336.41 and 157,284.94
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Solution
The fourth proportional to 271,998.87, 375,336.41 and 157,284.94 is: 217,040.48
Step by Step Solution
- Step 1: Write the proportion equation
271,998.87 : 375,336.41 = 157,284.94 : x - Step 2: Convert to fraction form
271,998.87/375,336.41 = 157,284.94/x - Step 3: Cross multiply
271,998.87x = 375,336.41 × 157,284.94 - Step 4: Simplify right side
271,998.87x = 59,034,764,726.67 - Step 5: Solve for x
x = 59,034,764,726.67/271,998.87 - Step 6: Final answer
x = 217,040.48
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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.