Finding the Fourth Proportional to 440,600.14, 608,220.27 and 279,702.55
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Solution
The fourth proportional to 440,600.14, 608,220.27 and 279,702.55 is: 386,111.45
Step by Step Solution
- Step 1: Write the proportion equation
440,600.14 : 608,220.27 = 279,702.55 : x - Step 2: Convert to fraction form
440,600.14/608,220.27 = 279,702.55/x - Step 3: Cross multiply
440,600.14x = 608,220.27 × 279,702.55 - Step 4: Simplify right side
440,600.14x = 170,120,760,480.69 - Step 5: Solve for x
x = 170,120,760,480.69/440,600.14 - Step 6: Final answer
x = 386,111.45
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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.