Finding the Fourth Proportional to 180,133.74, 248,578.20 and 99,556.02
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Solution
The fourth proportional to 180,133.74, 248,578.20 and 99,556.02 is: 137,383.79
Step by Step Solution
- Step 1: Write the proportion equation
180,133.74 : 248,578.20 = 99,556.02 : x - Step 2: Convert to fraction form
180,133.74/248,578.20 = 99,556.02/x - Step 3: Cross multiply
180,133.74x = 248,578.20 × 99,556.02 - Step 4: Simplify right side
180,133.74x = 24,747,456,250.76 - Step 5: Solve for x
x = 24,747,456,250.76/180,133.74 - Step 6: Final answer
x = 137,383.79
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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.