Finding the Fourth Proportional to 180,184.80, 248,655.60 and 99,616.80
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Solution
The fourth proportional to 180,184.80, 248,655.60 and 99,616.80 is: 137,471.50
Step by Step Solution
- Step 1: Write the proportion equation
180,184.80 : 248,655.60 = 99,616.80 : x - Step 2: Convert to fraction form
180,184.80/248,655.60 = 99,616.80/x - Step 3: Cross multiply
180,184.80x = 248,655.60 × 99,616.80 - Step 4: Simplify right side
180,184.80x = 24,770,275,174.08 - Step 5: Solve for x
x = 24,770,275,174.08/180,184.80 - Step 6: Final answer
x = 137,471.50
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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.