Finding the Fourth Proportional to 151,729.19, 227,412.80 and 70,566.65
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Solution
The fourth proportional to 151,729.19, 227,412.80 and 70,566.65 is: 105,765.80
Step by Step Solution
- Step 1: Write the proportion equation
151,729.19 : 227,412.80 = 70,566.65 : x - Step 2: Convert to fraction form
151,729.19/227,412.80 = 70,566.65/x - Step 3: Cross multiply
151,729.19x = 227,412.80 × 70,566.65 - Step 4: Simplify right side
151,729.19x = 16,047,759,110.29 - Step 5: Solve for x
x = 16,047,759,110.29/151,729.19 - Step 6: Final answer
x = 105,765.80
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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.