Finding the Fourth Proportional to 180,252.63, 248,742.36 and 103,769.19
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Solution
The fourth proportional to 180,252.63, 248,742.36 and 103,769.19 is: 143,197.87
Step by Step Solution
- Step 1: Write the proportion equation
180,252.63 : 248,742.36 = 103,769.19 : x - Step 2: Convert to fraction form
180,252.63/248,742.36 = 103,769.19/x - Step 3: Cross multiply
180,252.63x = 248,742.36 × 103,769.19 - Step 4: Simplify right side
180,252.63x = 25,811,793,215.89 - Step 5: Solve for x
x = 25,811,793,215.89/180,252.63 - Step 6: Final answer
x = 143,197.87
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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.