Finding the Fourth Proportional to 215,913.19, 323,230.08 and 160,004.26
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Solution
The fourth proportional to 215,913.19, 323,230.08 and 160,004.26 is: 239,532.33
Step by Step Solution
- Step 1: Write the proportion equation
215,913.19 : 323,230.08 = 160,004.26 : x - Step 2: Convert to fraction form
215,913.19/323,230.08 = 160,004.26/x - Step 3: Cross multiply
215,913.19x = 323,230.08 × 160,004.26 - Step 4: Simplify right side
215,913.19x = 51,718,189,760.14 - Step 5: Solve for x
x = 51,718,189,760.14/215,913.19 - Step 6: Final answer
x = 239,532.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.