Finding the Fourth Proportional to 159,857.44, 220,599.09 and 88,235.92
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Solution
The fourth proportional to 159,857.44, 220,599.09 and 88,235.92 is: 121,763.26
Step by Step Solution
- Step 1: Write the proportion equation
159,857.44 : 220,599.09 = 88,235.92 : x - Step 2: Convert to fraction form
159,857.44/220,599.09 = 88,235.92/x - Step 3: Cross multiply
159,857.44x = 220,599.09 × 88,235.92 - Step 4: Simplify right side
159,857.44x = 19,464,763,657.31 - Step 5: Solve for x
x = 19,464,763,657.31/159,857.44 - Step 6: Final answer
x = 121,763.26
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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.