Finding the Fourth Proportional to 134,371.31, 201,586.12 and 40,874.63
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Solution
The fourth proportional to 134,371.31, 201,586.12 and 40,874.63 is: 61,320.81
Step by Step Solution
- Step 1: Write the proportion equation
134,371.31 : 201,586.12 = 40,874.63 : x - Step 2: Convert to fraction form
134,371.31/201,586.12 = 40,874.63/x - Step 3: Cross multiply
134,371.31x = 201,586.12 × 40,874.63 - Step 4: Simplify right side
134,371.31x = 8,239,756,958.02 - Step 5: Solve for x
x = 8,239,756,958.02/134,371.31 - Step 6: Final answer
x = 61,320.81
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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.