Finding the Fourth Proportional to 97,412.40, 146,120.04 and 27,287.28
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Solution
The fourth proportional to 97,412.40, 146,120.04 and 27,287.28 is: 40,931.32
Step by Step Solution
- Step 1: Write the proportion equation
97,412.40 : 146,120.04 = 27,287.28 : x - Step 2: Convert to fraction form
97,412.40/146,120.04 = 27,287.28/x - Step 3: Cross multiply
97,412.40x = 146,120.04 × 27,287.28 - Step 4: Simplify right side
97,412.40x = 3,987,218,445.09 - Step 5: Solve for x
x = 3,987,218,445.09/97,412.40 - Step 6: Final answer
x = 40,931.32
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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.