Finding the Fourth Proportional to 201,666.42, 302,686.67 and 101,896.68
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Solution
The fourth proportional to 201,666.42, 302,686.67 and 101,896.68 is: 152,939.52
Step by Step Solution
- Step 1: Write the proportion equation
201,666.42 : 302,686.67 = 101,896.68 : x - Step 2: Convert to fraction form
201,666.42/302,686.67 = 101,896.68/x - Step 3: Cross multiply
201,666.42x = 302,686.67 × 101,896.68 - Step 4: Simplify right side
201,666.42x = 30,842,766,243.77 - Step 5: Solve for x
x = 30,842,766,243.77/201,666.42 - Step 6: Final answer
x = 152,939.52
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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.