Finding the Fourth Proportional to 236,911.01, 326,937.20 and 129,481.02
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Solution
The fourth proportional to 236,911.01, 326,937.20 and 129,481.02 is: 178,683.81
Step by Step Solution
- Step 1: Write the proportion equation
236,911.01 : 326,937.20 = 129,481.02 : x - Step 2: Convert to fraction form
236,911.01/326,937.20 = 129,481.02/x - Step 3: Cross multiply
236,911.01x = 326,937.20 × 129,481.02 - Step 4: Simplify right side
236,911.01x = 42,332,161,484.54 - Step 5: Solve for x
x = 42,332,161,484.54/236,911.01 - Step 6: Final answer
x = 178,683.81
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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.