Finding the Fourth Proportional to 274,797.62, 411,587.40 and 211,149.23
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Solution
The fourth proportional to 274,797.62, 411,587.40 and 211,149.23 is: 316,255.88
Step by Step Solution
- Step 1: Write the proportion equation
274,797.62 : 411,587.40 = 211,149.23 : x - Step 2: Convert to fraction form
274,797.62/411,587.40 = 211,149.23/x - Step 3: Cross multiply
274,797.62x = 411,587.40 × 211,149.23 - Step 4: Simplify right side
274,797.62x = 86,906,360,529.77 - Step 5: Solve for x
x = 86,906,360,529.77/274,797.62 - Step 6: Final answer
x = 316,255.88
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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.