Finding the Fourth Proportional to 159,706.98, 220,396.68 and 88,088.94
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Solution
The fourth proportional to 159,706.98, 220,396.68 and 88,088.94 is: 121,563.32
Step by Step Solution
- Step 1: Write the proportion equation
159,706.98 : 220,396.68 = 88,088.94 : x - Step 2: Convert to fraction form
159,706.98/220,396.68 = 88,088.94/x - Step 3: Cross multiply
159,706.98x = 220,396.68 × 88,088.94 - Step 4: Simplify right side
159,706.98x = 19,414,509,920.72 - Step 5: Solve for x
x = 19,414,509,920.72/159,706.98 - Step 6: Final answer
x = 121,563.32
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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.