Finding the Fourth Proportional to 180,230.88, 248,713.68 and 99,661.68
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Solution
The fourth proportional to 180,230.88, 248,713.68 and 99,661.68 is: 137,530.39
Step by Step Solution
- Step 1: Write the proportion equation
180,230.88 : 248,713.68 = 99,661.68 : x - Step 2: Convert to fraction form
180,230.88/248,713.68 = 99,661.68/x - Step 3: Cross multiply
180,230.88x = 248,713.68 × 99,661.68 - Step 4: Simplify right side
180,230.88x = 24,787,223,187.78 - Step 5: Solve for x
x = 24,787,223,187.78/180,230.88 - Step 6: Final answer
x = 137,530.39
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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.