Finding the Fourth Proportional to 201,461.36, 302,229.41 and 66,534.77
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Solution
The fourth proportional to 201,461.36, 302,229.41 and 66,534.77 is: 99,814.50
Step by Step Solution
- Step 1: Write the proportion equation
201,461.36 : 302,229.41 = 66,534.77 : x - Step 2: Convert to fraction form
201,461.36/302,229.41 = 66,534.77/x - Step 3: Cross multiply
201,461.36x = 302,229.41 × 66,534.77 - Step 4: Simplify right side
201,461.36x = 20,108,764,041.59 - Step 5: Solve for x
x = 20,108,764,041.59/201,461.36 - Step 6: Final answer
x = 99,814.50
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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.