Finding the Fourth Proportional to 492,059.97, 679,045.19 and 277,203.42
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Solution
The fourth proportional to 492,059.97, 679,045.19 and 277,203.42 is: 382,542.09
Step by Step Solution
- Step 1: Write the proportion equation
492,059.97 : 679,045.19 = 277,203.42 : x - Step 2: Convert to fraction form
492,059.97/679,045.19 = 277,203.42/x - Step 3: Cross multiply
492,059.97x = 679,045.19 × 277,203.42 - Step 4: Simplify right side
492,059.97x = 188,233,647,616.53 - Step 5: Solve for x
x = 188,233,647,616.53/492,059.97 - Step 6: Final answer
x = 382,542.09
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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.