Finding the Fourth Proportional to 149,522.49, 206,340.35 and 82,454.49
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Solution
The fourth proportional to 149,522.49, 206,340.35 and 82,454.49 is: 113,786.82
Step by Step Solution
- Step 1: Write the proportion equation
149,522.49 : 206,340.35 = 82,454.49 : x - Step 2: Convert to fraction form
149,522.49/206,340.35 = 82,454.49/x - Step 3: Cross multiply
149,522.49x = 206,340.35 × 82,454.49 - Step 4: Simplify right side
149,522.49x = 17,013,687,913.40 - Step 5: Solve for x
x = 17,013,687,913.40/149,522.49 - Step 6: Final answer
x = 113,786.82
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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.