Finding the Fourth Proportional to 218,233.02, 301,138.08 and 122,719.44
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Solution
The fourth proportional to 218,233.02, 301,138.08 and 122,719.44 is: 169,339.62
Step by Step Solution
- Step 1: Write the proportion equation
218,233.02 : 301,138.08 = 122,719.44 : x - Step 2: Convert to fraction form
218,233.02/301,138.08 = 122,719.44/x - Step 3: Cross multiply
218,233.02x = 301,138.08 × 122,719.44 - Step 4: Simplify right side
218,233.02x = 36,955,496,540.28 - Step 5: Solve for x
x = 36,955,496,540.28/218,233.02 - Step 6: Final answer
x = 169,339.62
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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.