Finding the Fourth Proportional to 226,890.80, 340,336.20 and 163,905.20
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Solution
The fourth proportional to 226,890.80, 340,336.20 and 163,905.20 is: 245,857.80
Step by Step Solution
- Step 1: Write the proportion equation
226,890.80 : 340,336.20 = 163,905.20 : x - Step 2: Convert to fraction form
226,890.80/340,336.20 = 163,905.20/x - Step 3: Cross multiply
226,890.80x = 340,336.20 × 163,905.20 - Step 4: Simplify right side
226,890.80x = 55,782,872,928.24 - Step 5: Solve for x
x = 55,782,872,928.24/226,890.80 - Step 6: Final answer
x = 245,857.80
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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.