Finding the Fourth Proportional to 377,534.25, 520,879.95 and 214,163.87
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Solution
The fourth proportional to 377,534.25, 520,879.95 and 214,163.87 is: 295,479.58
Step by Step Solution
- Step 1: Write the proportion equation
377,534.25 : 520,879.95 = 214,163.87 : x - Step 2: Convert to fraction form
377,534.25/520,879.95 = 214,163.87/x - Step 3: Cross multiply
377,534.25x = 520,879.95 × 214,163.87 - Step 4: Simplify right side
377,534.25x = 111,553,663,293.01 - Step 5: Solve for x
x = 111,553,663,293.01/377,534.25 - Step 6: Final answer
x = 295,479.58
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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.