Finding the Fourth Proportional to 246,988.36, 340,843.62 and 133,811.56
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Solution
The fourth proportional to 246,988.36, 340,843.62 and 133,811.56 is: 184,659.78
Step by Step Solution
- Step 1: Write the proportion equation
246,988.36 : 340,843.62 = 133,811.56 : x - Step 2: Convert to fraction form
246,988.36/340,843.62 = 133,811.56/x - Step 3: Cross multiply
246,988.36x = 340,843.62 × 133,811.56 - Step 4: Simplify right side
246,988.36x = 45,608,816,508.25 - Step 5: Solve for x
x = 45,608,816,508.25/246,988.36 - Step 6: Final answer
x = 184,659.78
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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.