Finding the Fourth Proportional to 293,261.90, 440,203.91 and 259,745.49
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Solution
The fourth proportional to 293,261.90, 440,203.91 and 259,745.49 is: 389,893.75
Step by Step Solution
- Step 1: Write the proportion equation
293,261.90 : 440,203.91 = 259,745.49 : x - Step 2: Convert to fraction form
293,261.90/440,203.91 = 259,745.49/x - Step 3: Cross multiply
293,261.90x = 440,203.91 × 259,745.49 - Step 4: Simplify right side
293,261.90x = 114,340,979,004.14 - Step 5: Solve for x
x = 114,340,979,004.14/293,261.90 - Step 6: Final answer
x = 389,893.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.