Finding the Fourth Proportional to 226,474.20, 339,710.09 and 57,994.20
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Solution
The fourth proportional to 226,474.20, 339,710.09 and 57,994.20 is: 86,990.99
Step by Step Solution
- Step 1: Write the proportion equation
226,474.20 : 339,710.09 = 57,994.20 : x - Step 2: Convert to fraction form
226,474.20/339,710.09 = 57,994.20/x - Step 3: Cross multiply
226,474.20x = 339,710.09 × 57,994.20 - Step 4: Simplify right side
226,474.20x = 19,701,214,611.51 - Step 5: Solve for x
x = 19,701,214,611.51/226,474.20 - Step 6: Final answer
x = 86,990.99
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1.5x scale
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.