Finding the Fourth Proportional to 300,463.05, 450,739.11 and 87,232.71
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Solution
The fourth proportional to 300,463.05, 450,739.11 and 87,232.71 is: 130,861.99
Step by Step Solution
- Step 1: Write the proportion equation
300,463.05 : 450,739.11 = 87,232.71 : x - Step 2: Convert to fraction form
300,463.05/450,739.11 = 87,232.71/x - Step 3: Cross multiply
300,463.05x = 450,739.11 × 87,232.71 - Step 4: Simplify right side
300,463.05x = 39,319,193,448.10 - Step 5: Solve for x
x = 39,319,193,448.10/300,463.05 - Step 6: Final answer
x = 130,861.99
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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.