Finding the Fourth Proportional to 180,237.21, 248,722.41 and 99,662.05
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Solution
The fourth proportional to 180,237.21, 248,722.41 and 99,662.05 is: 137,530.90
Step by Step Solution
- Step 1: Write the proportion equation
180,237.21 : 248,722.41 = 99,662.05 : x - Step 2: Convert to fraction form
180,237.21/248,722.41 = 99,662.05/x - Step 3: Cross multiply
180,237.21x = 248,722.41 × 99,662.05 - Step 4: Simplify right side
180,237.21x = 24,788,185,261.54 - Step 5: Solve for x
x = 24,788,185,261.54/180,237.21 - Step 6: Final answer
x = 137,530.90
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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.