Finding the Fourth Proportional to 97,412.65, 146,120.42 and 27,287.53
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Solution
The fourth proportional to 97,412.65, 146,120.42 and 27,287.53 is: 40,931.70
Step by Step Solution
- Step 1: Write the proportion equation
97,412.65 : 146,120.42 = 27,287.53 : x - Step 2: Convert to fraction form
97,412.65/146,120.42 = 27,287.53/x - Step 3: Cross multiply
97,412.65x = 146,120.42 × 27,287.53 - Step 4: Simplify right side
97,412.65x = 3,987,265,207.92 - Step 5: Solve for x
x = 3,987,265,207.92/97,412.65 - Step 6: Final answer
x = 40,931.70
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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.