Finding the Fourth Proportional to 150,435.96, 207,601.74 and 83,367.96
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Solution
The fourth proportional to 150,435.96, 207,601.74 and 83,367.96 is: 115,047.85
Step by Step Solution
- Step 1: Write the proportion equation
150,435.96 : 207,601.74 = 83,367.96 : x - Step 2: Convert to fraction form
150,435.96/207,601.74 = 83,367.96/x - Step 3: Cross multiply
150,435.96x = 207,601.74 × 83,367.96 - Step 4: Simplify right side
150,435.96x = 17,307,333,556.25 - Step 5: Solve for x
x = 17,307,333,556.25/150,435.96 - Step 6: Final answer
x = 115,047.85
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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.