Finding the Fourth Proportional to 383,313.75, 528,950.97 and 219,935.67
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Solution
The fourth proportional to 383,313.75, 528,950.97 and 219,935.67 is: 303,498.60
Step by Step Solution
- Step 1: Write the proportion equation
383,313.75 : 528,950.97 = 219,935.67 : x - Step 2: Convert to fraction form
383,313.75/528,950.97 = 219,935.67/x - Step 3: Cross multiply
383,313.75x = 528,950.97 × 219,935.67 - Step 4: Simplify right side
383,313.75x = 116,335,185,984.10 - Step 5: Solve for x
x = 116,335,185,984.10/383,313.75 - Step 6: Final answer
x = 303,498.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.