Finding the Fourth Proportional to 180,138.44, 248,462.08 and 126,435.44
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Solution
The fourth proportional to 180,138.44, 248,462.08 and 126,435.44 is: 174,390.39
Step by Step Solution
- Step 1: Write the proportion equation
180,138.44 : 248,462.08 = 126,435.44 : x - Step 2: Convert to fraction form
180,138.44/248,462.08 = 126,435.44/x - Step 3: Cross multiply
180,138.44x = 248,462.08 × 126,435.44 - Step 4: Simplify right side
180,138.44x = 31,414,412,408.12 - Step 5: Solve for x
x = 31,414,412,408.12/180,138.44 - Step 6: Final answer
x = 174,390.39
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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.