Finding the Fourth Proportional to 231,466.88, 346,634.12 and 209,028.26
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Solution
The fourth proportional to 231,466.88, 346,634.12 and 209,028.26 is: 313,031.08
Step by Step Solution
- Step 1: Write the proportion equation
231,466.88 : 346,634.12 = 209,028.26 : x - Step 2: Convert to fraction form
231,466.88/346,634.12 = 209,028.26/x - Step 3: Cross multiply
231,466.88x = 346,634.12 × 209,028.26 - Step 4: Simplify right side
231,466.88x = 72,456,326,960.23 - Step 5: Solve for x
x = 72,456,326,960.23/231,466.88 - Step 6: Final answer
x = 313,031.08
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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.