Finding the Fourth Proportional to 192,883.32, 266,155.02 and 107,986.68
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Solution
The fourth proportional to 192,883.32, 266,155.02 and 107,986.68 is: 149,008.20
Step by Step Solution
- Step 1: Write the proportion equation
192,883.32 : 266,155.02 = 107,986.68 : x - Step 2: Convert to fraction form
192,883.32/266,155.02 = 107,986.68/x - Step 3: Cross multiply
192,883.32x = 266,155.02 × 107,986.68 - Step 4: Simplify right side
192,883.32x = 28,741,196,975.13 - Step 5: Solve for x
x = 28,741,196,975.13/192,883.32 - Step 6: Final answer
x = 149,008.20
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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.