Finding the Fourth Proportional to 149,307.14, 206,043.84 and 82,239.14
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Solution
The fourth proportional to 149,307.14, 206,043.84 and 82,239.14 is: 113,490.01
Step by Step Solution
- Step 1: Write the proportion equation
149,307.14 : 206,043.84 = 82,239.14 : x - Step 2: Convert to fraction form
149,307.14/206,043.84 = 82,239.14/x - Step 3: Cross multiply
149,307.14x = 206,043.84 × 82,239.14 - Step 4: Simplify right side
149,307.14x = 16,944,868,203.90 - Step 5: Solve for x
x = 16,944,868,203.90/149,307.14 - Step 6: Final answer
x = 113,490.01
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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.