Finding the Fourth Proportional to 339,313.08, 468,147.04 and 196,020.84
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Solution
The fourth proportional to 339,313.08, 468,147.04 and 196,020.84 is: 270,448.09
Step by Step Solution
- Step 1: Write the proportion equation
339,313.08 : 468,147.04 = 196,020.84 : x - Step 2: Convert to fraction form
339,313.08/468,147.04 = 196,020.84/x - Step 3: Cross multiply
339,313.08x = 468,147.04 × 196,020.84 - Step 4: Simplify right side
339,313.08x = 91,766,576,024.31 - Step 5: Solve for x
x = 91,766,576,024.31/339,313.08 - Step 6: Final answer
x = 270,448.09
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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.