Finding the Fourth Proportional to 247,091.36, 340,976.94 and 133,911.68
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Solution
The fourth proportional to 247,091.36, 340,976.94 and 133,911.68 is: 184,793.17
Step by Step Solution
- Step 1: Write the proportion equation
247,091.36 : 340,976.94 = 133,911.68 : x - Step 2: Convert to fraction form
247,091.36/340,976.94 = 133,911.68/x - Step 3: Cross multiply
247,091.36x = 340,976.94 × 133,911.68 - Step 4: Simplify right side
247,091.36x = 45,660,794,876.66 - Step 5: Solve for x
x = 45,660,794,876.66/247,091.36 - Step 6: Final answer
x = 184,793.17
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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.