Finding the Fourth Proportional to 490,464.24, 735,299.16 and 153,331.44
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Solution
The fourth proportional to 490,464.24, 735,299.16 and 153,331.44 is: 229,872.99
Step by Step Solution
- Step 1: Write the proportion equation
490,464.24 : 735,299.16 = 153,331.44 : x - Step 2: Convert to fraction form
490,464.24/735,299.16 = 153,331.44/x - Step 3: Cross multiply
490,464.24x = 735,299.16 × 153,331.44 - Step 4: Simplify right side
490,464.24x = 112,744,479,033.59 - Step 5: Solve for x
x = 112,744,479,033.59/490,464.24 - Step 6: Final answer
x = 229,872.99
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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.