Finding the Fourth Proportional to 180,343.44, 248,858.28 and 99,769.68
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Solution
The fourth proportional to 180,343.44, 248,858.28 and 99,769.68 is: 137,673.49
Step by Step Solution
- Step 1: Write the proportion equation
180,343.44 : 248,858.28 = 99,769.68 : x - Step 2: Convert to fraction form
180,343.44/248,858.28 = 99,769.68/x - Step 3: Cross multiply
180,343.44x = 248,858.28 × 99,769.68 - Step 4: Simplify right side
180,343.44x = 24,828,510,960.95 - Step 5: Solve for x
x = 24,828,510,960.95/180,343.44 - Step 6: Final answer
x = 137,673.49
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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.