Finding the Fourth Proportional to 180,336.78, 248,713.74 and 135,120.96
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Solution
The fourth proportional to 180,336.78, 248,713.74 and 135,120.96 is: 186,353.77
Step by Step Solution
- Step 1: Write the proportion equation
180,336.78 : 248,713.74 = 135,120.96 : x - Step 2: Convert to fraction form
180,336.78/248,713.74 = 135,120.96/x - Step 3: Cross multiply
180,336.78x = 248,713.74 × 135,120.96 - Step 4: Simplify right side
180,336.78x = 33,606,439,313.99 - Step 5: Solve for x
x = 33,606,439,313.99/180,336.78 - Step 6: Final answer
x = 186,353.77
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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.