Finding the Fourth Proportional to 248,887.20, 373,330.80 and 136,912.80
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Solution
The fourth proportional to 248,887.20, 373,330.80 and 136,912.80 is: 205,369.20
Step by Step Solution
- Step 1: Write the proportion equation
248,887.20 : 373,330.80 = 136,912.80 : x - Step 2: Convert to fraction form
248,887.20/373,330.80 = 136,912.80/x - Step 3: Cross multiply
248,887.20x = 373,330.80 × 136,912.80 - Step 4: Simplify right side
248,887.20x = 51,113,765,154.24 - Step 5: Solve for x
x = 51,113,765,154.24/248,887.20 - Step 6: Final answer
x = 205,369.20
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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.