Finding the Fourth Proportional to 490,757.76, 736,136.84 and 153,824.68
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Solution
The fourth proportional to 490,757.76, 736,136.84 and 153,824.68 is: 230,737.08
Step by Step Solution
- Step 1: Write the proportion equation
490,757.76 : 736,136.84 = 153,824.68 : x - Step 2: Convert to fraction form
490,757.76/736,136.84 = 153,824.68/x - Step 3: Cross multiply
490,757.76x = 736,136.84 × 153,824.68 - Step 4: Simplify right side
490,757.76x = 113,236,013,849.21 - Step 5: Solve for x
x = 113,236,013,849.21/490,757.76 - Step 6: Final answer
x = 230,737.08
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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.