Finding the Fourth Proportional to 239,522.67, 359,316.81 and 81,708.75
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Solution
The fourth proportional to 239,522.67, 359,316.81 and 81,708.75 is: 122,574.32
Step by Step Solution
- Step 1: Write the proportion equation
239,522.67 : 359,316.81 = 81,708.75 : x - Step 2: Convert to fraction form
239,522.67/359,316.81 = 81,708.75/x - Step 3: Cross multiply
239,522.67x = 359,316.81 × 81,708.75 - Step 4: Simplify right side
239,522.67x = 29,359,327,399.09 - Step 5: Solve for x
x = 29,359,327,399.09/239,522.67 - Step 6: Final answer
x = 122,574.32
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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.