Finding the Fourth Proportional to 352,304.97, 486,306.93 and 209,064.97
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Solution
The fourth proportional to 352,304.97, 486,306.93 and 209,064.97 is: 288,584.47
Step by Step Solution
- Step 1: Write the proportion equation
352,304.97 : 486,306.93 = 209,064.97 : x - Step 2: Convert to fraction form
352,304.97/486,306.93 = 209,064.97/x - Step 3: Cross multiply
352,304.97x = 486,306.93 × 209,064.97 - Step 4: Simplify right side
352,304.97x = 101,669,743,731.24 - Step 5: Solve for x
x = 101,669,743,731.24/352,304.97 - Step 6: Final answer
x = 288,584.47
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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.