Finding the Fourth Proportional to 603,738.69, 905,601.64 and 154,455.99
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Solution
The fourth proportional to 603,738.69, 905,601.64 and 154,455.99 is: 231,682.35
Step by Step Solution
- Step 1: Write the proportion equation
603,738.69 : 905,601.64 = 154,455.99 : x - Step 2: Convert to fraction form
603,738.69/905,601.64 = 154,455.99/x - Step 3: Cross multiply
603,738.69x = 905,601.64 × 154,455.99 - Step 4: Simplify right side
603,738.69x = 139,875,597,340.70 - Step 5: Solve for x
x = 139,875,597,340.70/603,738.69 - Step 6: Final answer
x = 231,682.35
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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.