Finding the Fourth Proportional to 226,623.20, 339,934.80 and 191,193.80
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Solution
The fourth proportional to 226,623.20, 339,934.80 and 191,193.80 is: 286,790.70
Step by Step Solution
- Step 1: Write the proportion equation
226,623.20 : 339,934.80 = 191,193.80 : x - Step 2: Convert to fraction form
226,623.20/339,934.80 = 191,193.80/x - Step 3: Cross multiply
226,623.20x = 339,934.80 × 191,193.80 - Step 4: Simplify right side
226,623.20x = 64,993,426,164.24 - Step 5: Solve for x
x = 64,993,426,164.24/226,623.20 - Step 6: Final answer
x = 286,790.70
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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.