Finding the Fourth Proportional to 192,364.12, 288,455.37 and 112,425.02
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Solution
The fourth proportional to 192,364.12, 288,455.37 and 112,425.02 is: 168,584.45
Step by Step Solution
- Step 1: Write the proportion equation
192,364.12 : 288,455.37 = 112,425.02 : x - Step 2: Convert to fraction form
192,364.12/288,455.37 = 112,425.02/x - Step 3: Cross multiply
192,364.12x = 288,455.37 × 112,425.02 - Step 4: Simplify right side
192,364.12x = 32,429,600,179.23 - Step 5: Solve for x
x = 32,429,600,179.23/192,364.12 - Step 6: Final answer
x = 168,584.45
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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.