Finding the Fourth Proportional to 192,919.99, 266,231.46 and 106,880.80
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Solution
The fourth proportional to 192,919.99, 266,231.46 and 106,880.80 is: 147,496.54
Step by Step Solution
- Step 1: Write the proportion equation
192,919.99 : 266,231.46 = 106,880.80 : x - Step 2: Convert to fraction form
192,919.99/266,231.46 = 106,880.80/x - Step 3: Cross multiply
192,919.99x = 266,231.46 × 106,880.80 - Step 4: Simplify right side
192,919.99x = 28,455,031,429.97 - Step 5: Solve for x
x = 28,455,031,429.97/192,919.99 - Step 6: Final answer
x = 147,496.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.