Finding the Fourth Proportional to 410,854.97, 616,313.43 and 122,643.84
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Solution
The fourth proportional to 410,854.97, 616,313.43 and 122,643.84 is: 183,975.01
Step by Step Solution
- Step 1: Write the proportion equation
410,854.97 : 616,313.43 = 122,643.84 : x - Step 2: Convert to fraction form
410,854.97/616,313.43 = 122,643.84/x - Step 3: Cross multiply
410,854.97x = 616,313.43 × 122,643.84 - Step 4: Simplify right side
410,854.97x = 75,587,045,698.77 - Step 5: Solve for x
x = 75,587,045,698.77/410,854.97 - Step 6: Final answer
x = 183,975.01
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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.