Finding the Fourth Proportional to 192,899.46, 266,198.36 and 106,858.18
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Solution
The fourth proportional to 192,899.46, 266,198.36 and 106,858.18 is: 147,462.68
Step by Step Solution
- Step 1: Write the proportion equation
192,899.46 : 266,198.36 = 106,858.18 : x - Step 2: Convert to fraction form
192,899.46/266,198.36 = 106,858.18/x - Step 3: Cross multiply
192,899.46x = 266,198.36 × 106,858.18 - Step 4: Simplify right side
192,899.46x = 28,445,470,937.59 - Step 5: Solve for x
x = 28,445,470,937.59/192,899.46 - Step 6: Final answer
x = 147,462.68
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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.