Finding the Fourth Proportional to 202,720.74, 279,740.40 and 116,674.44
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Solution
The fourth proportional to 202,720.74, 279,740.40 and 116,674.44 is: 161,002.54
Step by Step Solution
- Step 1: Write the proportion equation
202,720.74 : 279,740.40 = 116,674.44 : x - Step 2: Convert to fraction form
202,720.74/279,740.40 = 116,674.44/x - Step 3: Cross multiply
202,720.74x = 279,740.40 × 116,674.44 - Step 4: Simplify right side
202,720.74x = 32,638,554,515.38 - Step 5: Solve for x
x = 32,638,554,515.38/202,720.74 - Step 6: Final answer
x = 161,002.54
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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.