Finding the Fourth Proportional to 180,157.36, 248,617.20 and 98,485.96
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Solution
The fourth proportional to 180,157.36, 248,617.20 and 98,485.96 is: 135,910.65
Step by Step Solution
- Step 1: Write the proportion equation
180,157.36 : 248,617.20 = 98,485.96 : x - Step 2: Convert to fraction form
180,157.36/248,617.20 = 98,485.96/x - Step 3: Cross multiply
180,157.36x = 248,617.20 × 98,485.96 - Step 4: Simplify right side
180,157.36x = 24,485,303,614.51 - Step 5: Solve for x
x = 24,485,303,614.51/180,157.36 - Step 6: Final answer
x = 135,910.65
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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.