Finding the Fourth Proportional to 438,107.85, 604,575.77 and 244,521.09
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Solution
The fourth proportional to 438,107.85, 604,575.77 and 244,521.09 is: 337,431.81
Step by Step Solution
- Step 1: Write the proportion equation
438,107.85 : 604,575.77 = 244,521.09 : x - Step 2: Convert to fraction form
438,107.85/604,575.77 = 244,521.09/x - Step 3: Cross multiply
438,107.85x = 604,575.77 × 244,521.09 - Step 4: Simplify right side
438,107.85x = 147,831,525,045.38 - Step 5: Solve for x
x = 147,831,525,045.38/438,107.85 - Step 6: Final answer
x = 337,431.81
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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.