Finding the Fourth Proportional to 180,371.96, 248,911.71 and 107,770.91
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Solution
The fourth proportional to 180,371.96, 248,911.71 and 107,770.91 is: 148,722.89
Step by Step Solution
- Step 1: Write the proportion equation
180,371.96 : 248,911.71 = 107,770.91 : x - Step 2: Convert to fraction form
180,371.96/248,911.71 = 107,770.91/x - Step 3: Cross multiply
180,371.96x = 248,911.71 × 107,770.91 - Step 4: Simplify right side
180,371.96x = 26,825,439,712.94 - Step 5: Solve for x
x = 26,825,439,712.94/180,371.96 - Step 6: Final answer
x = 148,722.89
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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.