Finding the Fourth Proportional to 160,651.44, 221,725.08 and 153,564.48
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Solution
The fourth proportional to 160,651.44, 221,725.08 and 153,564.48 is: 211,943.92
Step by Step Solution
- Step 1: Write the proportion equation
160,651.44 : 221,725.08 = 153,564.48 : x - Step 2: Convert to fraction form
160,651.44/221,725.08 = 153,564.48/x - Step 3: Cross multiply
160,651.44x = 221,725.08 × 153,564.48 - Step 4: Simplify right side
160,651.44x = 34,049,096,613.16 - Step 5: Solve for x
x = 34,049,096,613.16/160,651.44 - Step 6: Final answer
x = 211,943.92
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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.