Finding the Fourth Proportional to 150,820.73, 208,135.11 and 82,843.99
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Solution
The fourth proportional to 150,820.73, 208,135.11 and 82,843.99 is: 114,326.08
Step by Step Solution
- Step 1: Write the proportion equation
150,820.73 : 208,135.11 = 82,843.99 : x - Step 2: Convert to fraction form
150,820.73/208,135.11 = 82,843.99/x - Step 3: Cross multiply
150,820.73x = 208,135.11 × 82,843.99 - Step 4: Simplify right side
150,820.73x = 17,242,742,971.49 - Step 5: Solve for x
x = 17,242,742,971.49/150,820.73 - Step 6: Final answer
x = 114,326.08
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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.