Finding the Fourth Proportional to 451,332.24, 622,907.09 and 288,059.23
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Solution
The fourth proportional to 451,332.24, 622,907.09 and 288,059.23 is: 397,565.52
Step by Step Solution
- Step 1: Write the proportion equation
451,332.24 : 622,907.09 = 288,059.23 : x - Step 2: Convert to fraction form
451,332.24/622,907.09 = 288,059.23/x - Step 3: Cross multiply
451,332.24x = 622,907.09 × 288,059.23 - Step 4: Simplify right side
451,332.24x = 179,434,136,706.94 - Step 5: Solve for x
x = 179,434,136,706.94/451,332.24 - Step 6: Final answer
x = 397,565.52
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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.