Finding the Fourth Proportional to 201,649.14, 302,660.40 and 101,879.54
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Solution
The fourth proportional to 201,649.14, 302,660.40 and 101,879.54 is: 152,913.63
Step by Step Solution
- Step 1: Write the proportion equation
201,649.14 : 302,660.40 = 101,879.54 : x - Step 2: Convert to fraction form
201,649.14/302,660.40 = 101,879.54/x - Step 3: Cross multiply
201,649.14x = 302,660.40 × 101,879.54 - Step 4: Simplify right side
201,649.14x = 30,834,902,328.22 - Step 5: Solve for x
x = 30,834,902,328.22/201,649.14 - Step 6: Final answer
x = 152,913.63
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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.