Finding the Fourth Proportional to 276,701.40, 415,052.10 and 226,837.80
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Solution
The fourth proportional to 276,701.40, 415,052.10 and 226,837.80 is: 340,256.70
Step by Step Solution
- Step 1: Write the proportion equation
276,701.40 : 415,052.10 = 226,837.80 : x - Step 2: Convert to fraction form
276,701.40/415,052.10 = 226,837.80/x - Step 3: Cross multiply
276,701.40x = 415,052.10 × 226,837.80 - Step 4: Simplify right side
276,701.40x = 94,149,505,249.38 - Step 5: Solve for x
x = 94,149,505,249.38/276,701.40 - Step 6: Final answer
x = 340,256.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.