Finding the Fourth Proportional to 201,417.10, 302,063.90 and 66,456.26
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Solution
The fourth proportional to 201,417.10, 302,063.90 and 66,456.26 is: 99,664.02
Step by Step Solution
- Step 1: Write the proportion equation
201,417.10 : 302,063.90 = 66,456.26 : x - Step 2: Convert to fraction form
201,417.10/302,063.90 = 66,456.26/x - Step 3: Cross multiply
201,417.10x = 302,063.90 × 66,456.26 - Step 4: Simplify right side
201,417.10x = 20,074,037,075.01 - Step 5: Solve for x
x = 20,074,037,075.01/201,417.10 - Step 6: Final answer
x = 99,664.02
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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.