Finding the Fourth Proportional to 149,791.08, 206,712.90 and 82,723.08
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Solution
The fourth proportional to 149,791.08, 206,712.90 and 82,723.08 is: 114,158.52
Step by Step Solution
- Step 1: Write the proportion equation
149,791.08 : 206,712.90 = 82,723.08 : x - Step 2: Convert to fraction form
149,791.08/206,712.90 = 82,723.08/x - Step 3: Cross multiply
149,791.08x = 206,712.90 × 82,723.08 - Step 4: Simplify right side
149,791.08x = 17,099,927,763.73 - Step 5: Solve for x
x = 17,099,927,763.73/149,791.08 - Step 6: Final answer
x = 114,158.52
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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.