Finding the Fourth Proportional to 160,431.71, 221,397.50 and 88,812.92
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Solution
The fourth proportional to 160,431.71, 221,397.50 and 88,812.92 is: 122,562.80
Step by Step Solution
- Step 1: Write the proportion equation
160,431.71 : 221,397.50 = 88,812.92 : x - Step 2: Convert to fraction form
160,431.71/221,397.50 = 88,812.92/x - Step 3: Cross multiply
160,431.71x = 221,397.50 × 88,812.92 - Step 4: Simplify right side
160,431.71x = 19,662,959,231.23 - Step 5: Solve for x
x = 19,662,959,231.23/160,431.71 - Step 6: Final answer
x = 122,562.80
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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.