Finding the Fourth Proportional to 616,874.27, 925,007.93 and 217,456.99
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Solution
The fourth proportional to 616,874.27, 925,007.93 and 217,456.99 is: 326,078.50
Step by Step Solution
- Step 1: Write the proportion equation
616,874.27 : 925,007.93 = 217,456.99 : x - Step 2: Convert to fraction form
616,874.27/925,007.93 = 217,456.99/x - Step 3: Cross multiply
616,874.27x = 925,007.93 × 217,456.99 - Step 4: Simplify right side
616,874.27x = 201,149,437,599.59 - Step 5: Solve for x
x = 201,149,437,599.59/616,874.27 - Step 6: Final answer
x = 326,078.50
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1.5x scale
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.