Finding the Fourth Proportional to 352,122.16, 527,920.56 and 211,847.92
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Solution
The fourth proportional to 352,122.16, 527,920.56 and 211,847.92 is: 317,613.84
Step by Step Solution
- Step 1: Write the proportion equation
352,122.16 : 527,920.56 = 211,847.92 : x - Step 2: Convert to fraction form
352,122.16/527,920.56 = 211,847.92/x - Step 3: Cross multiply
352,122.16x = 527,920.56 × 211,847.92 - Step 4: Simplify right side
352,122.16x = 111,838,872,561.24 - Step 5: Solve for x
x = 111,838,872,561.24/352,122.16 - Step 6: Final answer
x = 317,613.84
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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.