Finding the Fourth Proportional to 160,596.64, 221,616.84 and 88,979.68
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Solution
The fourth proportional to 160,596.64, 221,616.84 and 88,979.68 is: 122,788.34
Step by Step Solution
- Step 1: Write the proportion equation
160,596.64 : 221,616.84 = 88,979.68 : x - Step 2: Convert to fraction form
160,596.64/221,616.84 = 88,979.68/x - Step 3: Cross multiply
160,596.64x = 221,616.84 × 88,979.68 - Step 4: Simplify right side
160,596.64x = 19,719,395,505.81 - Step 5: Solve for x
x = 19,719,395,505.81/160,596.64 - Step 6: Final answer
x = 122,788.34
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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.