Finding the Fourth Proportional to 451,414.08, 622,995.98 and 257,850.71
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Solution
The fourth proportional to 451,414.08, 622,995.98 and 257,850.71 is: 355,859.42
Step by Step Solution
- Step 1: Write the proportion equation
451,414.08 : 622,995.98 = 257,850.71 : x - Step 2: Convert to fraction form
451,414.08/622,995.98 = 257,850.71/x - Step 3: Cross multiply
451,414.08x = 622,995.98 × 257,850.71 - Step 4: Simplify right side
451,414.08x = 160,639,953,702.15 - Step 5: Solve for x
x = 160,639,953,702.15/451,414.08 - Step 6: Final answer
x = 355,859.42
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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.