Finding the Fourth Proportional to 227,093.19, 313,373.60 and 136,395.26
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Solution
The fourth proportional to 227,093.19, 313,373.60 and 136,395.26 is: 188,216.45
Step by Step Solution
- Step 1: Write the proportion equation
227,093.19 : 313,373.60 = 136,395.26 : x - Step 2: Convert to fraction form
227,093.19/313,373.60 = 136,395.26/x - Step 3: Cross multiply
227,093.19x = 313,373.60 × 136,395.26 - Step 4: Simplify right side
227,093.19x = 42,742,673,649.14 - Step 5: Solve for x
x = 42,742,673,649.14/227,093.19 - Step 6: Final answer
x = 188,216.45
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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.