Finding the Fourth Proportional to 352,523.99, 486,608.88 and 209,283.69
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Solution
The fourth proportional to 352,523.99, 486,608.88 and 209,283.69 is: 288,886.16
Step by Step Solution
- Step 1: Write the proportion equation
352,523.99 : 486,608.88 = 209,283.69 : x - Step 2: Convert to fraction form
352,523.99/486,608.88 = 209,283.69/x - Step 3: Cross multiply
352,523.99x = 486,608.88 × 209,283.69 - Step 4: Simplify right side
352,523.99x = 101,839,301,993.17 - Step 5: Solve for x
x = 101,839,301,993.17/352,523.99 - Step 6: Final answer
x = 288,886.16
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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.