Finding the Fourth Proportional to 160,515.44, 221,513.63 and 92,531.17
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Solution
The fourth proportional to 160,515.44, 221,513.63 and 92,531.17 is: 127,694.35
Step by Step Solution
- Step 1: Write the proportion equation
160,515.44 : 221,513.63 = 92,531.17 : x - Step 2: Convert to fraction form
160,515.44/221,513.63 = 92,531.17/x - Step 3: Cross multiply
160,515.44x = 221,513.63 × 92,531.17 - Step 4: Simplify right side
160,515.44x = 20,496,915,169.08 - Step 5: Solve for x
x = 20,496,915,169.08/160,515.44 - Step 6: Final answer
x = 127,694.35
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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.