Finding the Fourth Proportional to 296,286.10, 408,871.75 and 160,317.05
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Solution
The fourth proportional to 296,286.10, 408,871.75 and 160,317.05 is: 221,235.86
Step by Step Solution
- Step 1: Write the proportion equation
296,286.10 : 408,871.75 = 160,317.05 : x - Step 2: Convert to fraction form
296,286.10/408,871.75 = 160,317.05/x - Step 3: Cross multiply
296,286.10x = 408,871.75 × 160,317.05 - Step 4: Simplify right side
296,286.10x = 65,549,110,343.19 - Step 5: Solve for x
x = 65,549,110,343.19/296,286.10 - Step 6: Final answer
x = 221,235.86
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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.