Finding the Fourth Proportional to 192,682.08, 288,977.74 and 108,478.80
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Solution
The fourth proportional to 192,682.08, 288,977.74 and 108,478.80 is: 162,692.65
Step by Step Solution
- Step 1: Write the proportion equation
192,682.08 : 288,977.74 = 108,478.80 : x - Step 2: Convert to fraction form
192,682.08/288,977.74 = 108,478.80/x - Step 3: Cross multiply
192,682.08x = 288,977.74 × 108,478.80 - Step 4: Simplify right side
192,682.08x = 31,347,958,461.91 - Step 5: Solve for x
x = 31,347,958,461.91/192,682.08 - Step 6: Final answer
x = 162,692.65
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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.