Finding the Fourth Proportional to 201,125.10, 301,687.65 and 130,266.30
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Solution
The fourth proportional to 201,125.10, 301,687.65 and 130,266.30 is: 195,399.45
Step by Step Solution
- Step 1: Write the proportion equation
201,125.10 : 301,687.65 = 130,266.30 : x - Step 2: Convert to fraction form
201,125.10/301,687.65 = 130,266.30/x - Step 3: Cross multiply
201,125.10x = 301,687.65 × 130,266.30 - Step 4: Simplify right side
201,125.10x = 39,299,733,921.20 - Step 5: Solve for x
x = 39,299,733,921.20/201,125.10 - Step 6: Final answer
x = 195,399.45
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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.