Finding the Fourth Proportional to 177,731.93, 266,361.36 and 87,637.11
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Solution
The fourth proportional to 177,731.93, 266,361.36 and 87,637.11 is: 131,339.03
Step by Step Solution
- Step 1: Write the proportion equation
177,731.93 : 266,361.36 = 87,637.11 : x - Step 2: Convert to fraction form
177,731.93/266,361.36 = 87,637.11/x - Step 3: Cross multiply
177,731.93x = 266,361.36 × 87,637.11 - Step 4: Simplify right side
177,731.93x = 23,343,139,806.07 - Step 5: Solve for x
x = 23,343,139,806.07/177,731.93 - Step 6: Final answer
x = 131,339.03
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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.