Finding the Fourth Proportional to 126,844.70, 190,268.94 and 60,291.68
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Solution
The fourth proportional to 126,844.70, 190,268.94 and 60,291.68 is: 90,438.42
Step by Step Solution
- Step 1: Write the proportion equation
126,844.70 : 190,268.94 = 60,291.68 : x - Step 2: Convert to fraction form
126,844.70/190,268.94 = 60,291.68/x - Step 3: Cross multiply
126,844.70x = 190,268.94 × 60,291.68 - Step 4: Simplify right side
126,844.70x = 11,471,634,044.42 - Step 5: Solve for x
x = 11,471,634,044.42/126,844.70 - Step 6: Final answer
x = 90,438.42
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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.