Finding the Fourth Proportional to 201,343.21, 301,357.66 and 148,021.07
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Solution
The fourth proportional to 201,343.21, 301,357.66 and 148,021.07 is: 221,548.48
Step by Step Solution
- Step 1: Write the proportion equation
201,343.21 : 301,357.66 = 148,021.07 : x - Step 2: Convert to fraction form
201,343.21/301,357.66 = 148,021.07/x - Step 3: Cross multiply
201,343.21x = 301,357.66 × 148,021.07 - Step 4: Simplify right side
201,343.21x = 44,607,282,816.69 - Step 5: Solve for x
x = 44,607,282,816.69/201,343.21 - Step 6: Final answer
x = 221,548.48
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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.