Finding the Fourth Proportional to 271,758.98, 405,808.44 and 221,937.91
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Solution
The fourth proportional to 271,758.98, 405,808.44 and 221,937.91 is: 331,412.33
Step by Step Solution
- Step 1: Write the proportion equation
271,758.98 : 405,808.44 = 221,937.91 : x - Step 2: Convert to fraction form
271,758.98/405,808.44 = 221,937.91/x - Step 3: Cross multiply
271,758.98x = 405,808.44 × 221,937.91 - Step 4: Simplify right side
271,758.98x = 90,064,277,033.96 - Step 5: Solve for x
x = 90,064,277,033.96/271,758.98 - Step 6: Final answer
x = 331,412.33
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.