Finding the Fourth Proportional to 225,941.99, 338,921.80 and 68,170.46
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Solution
The fourth proportional to 225,941.99, 338,921.80 and 68,170.46 is: 102,258.34
Step by Step Solution
- Step 1: Write the proportion equation
225,941.99 : 338,921.80 = 68,170.46 : x - Step 2: Convert to fraction form
225,941.99/338,921.80 = 68,170.46/x - Step 3: Cross multiply
225,941.99x = 338,921.80 × 68,170.46 - Step 4: Simplify right side
225,941.99x = 23,104,453,144.99 - Step 5: Solve for x
x = 23,104,453,144.99/225,941.99 - Step 6: Final answer
x = 102,258.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.