Finding the Fourth Proportional to 226,470.80, 339,706.20 and 163,485.20
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Solution
The fourth proportional to 226,470.80, 339,706.20 and 163,485.20 is: 245,227.80
Step by Step Solution
- Step 1: Write the proportion equation
226,470.80 : 339,706.20 = 163,485.20 : x - Step 2: Convert to fraction form
226,470.80/339,706.20 = 163,485.20/x - Step 3: Cross multiply
226,470.80x = 339,706.20 × 163,485.20 - Step 4: Simplify right side
226,470.80x = 55,536,936,048.24 - Step 5: Solve for x
x = 55,536,936,048.24/226,470.80 - Step 6: Final answer
x = 245,227.80
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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.