Finding the Fourth Proportional to 207,324.14, 286,195.58 and 139,380.52
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Solution
The fourth proportional to 207,324.14, 286,195.58 and 139,380.52 is: 192,404.46
Step by Step Solution
- Step 1: Write the proportion equation
207,324.14 : 286,195.58 = 139,380.52 : x - Step 2: Convert to fraction form
207,324.14/286,195.58 = 139,380.52/x - Step 3: Cross multiply
207,324.14x = 286,195.58 × 139,380.52 - Step 4: Simplify right side
207,324.14x = 39,890,088,119.79 - Step 5: Solve for x
x = 39,890,088,119.79/207,324.14 - Step 6: Final answer
x = 192,404.46
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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.