Finding the Fourth Proportional to 239,889.81, 359,906.63 and 71,416.02
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Solution
The fourth proportional to 239,889.81, 359,906.63 and 71,416.02 is: 107,145.44
Step by Step Solution
- Step 1: Write the proportion equation
239,889.81 : 359,906.63 = 71,416.02 : x - Step 2: Convert to fraction form
239,889.81/359,906.63 = 71,416.02/x - Step 3: Cross multiply
239,889.81x = 359,906.63 × 71,416.02 - Step 4: Simplify right side
239,889.81x = 25,703,098,729.13 - Step 5: Solve for x
x = 25,703,098,729.13/239,889.81 - Step 6: Final answer
x = 107,145.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.