Finding the Fourth Proportional to 338,542.62, 467,187.39 and 187,639.62
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Solution
The fourth proportional to 338,542.62, 467,187.39 and 187,639.62 is: 258,941.89
Step by Step Solution
- Step 1: Write the proportion equation
338,542.62 : 467,187.39 = 187,639.62 : x - Step 2: Convert to fraction form
338,542.62/467,187.39 = 187,639.62/x - Step 3: Cross multiply
338,542.62x = 467,187.39 × 187,639.62 - Step 4: Simplify right side
338,542.62x = 87,662,864,328.39 - Step 5: Solve for x
x = 87,662,864,328.39/338,542.62 - Step 6: Final answer
x = 258,941.89
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1.5x scale
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.