Finding the Fourth Proportional to 339,515.74, 468,324.12 and 201,601.18
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Solution
The fourth proportional to 339,515.74, 468,324.12 and 201,601.18 is: 278,086.36
Step by Step Solution
- Step 1: Write the proportion equation
339,515.74 : 468,324.12 = 201,601.18 : x - Step 2: Convert to fraction form
339,515.74/468,324.12 = 201,601.18/x - Step 3: Cross multiply
339,515.74x = 468,324.12 × 201,601.18 - Step 4: Simplify right side
339,515.74x = 94,414,695,214.46 - Step 5: Solve for x
x = 94,414,695,214.46/339,515.74 - Step 6: Final answer
x = 278,086.36
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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.