Finding the Fourth Proportional to 226,658.80, 339,973.62 and 68,888.62
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Solution
The fourth proportional to 226,658.80, 339,973.62 and 68,888.62 is: 103,328.50
Step by Step Solution
- Step 1: Write the proportion equation
226,658.80 : 339,973.62 = 68,888.62 : x - Step 2: Convert to fraction form
226,658.80/339,973.62 = 68,888.62/x - Step 3: Cross multiply
226,658.80x = 339,973.62 × 68,888.62 - Step 4: Simplify right side
226,658.80x = 23,420,313,518.20 - Step 5: Solve for x
x = 23,420,313,518.20/226,658.80 - Step 6: Final answer
x = 103,328.50
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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.