Finding the Fourth Proportional to 248,649.92, 373,130.40 and 100,905.92
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Solution
The fourth proportional to 248,649.92, 373,130.40 and 100,905.92 is: 151,421.99
Step by Step Solution
- Step 1: Write the proportion equation
248,649.92 : 373,130.40 = 100,905.92 : x - Step 2: Convert to fraction form
248,649.92/373,130.40 = 100,905.92/x - Step 3: Cross multiply
248,649.92x = 373,130.40 × 100,905.92 - Step 4: Simplify right side
248,649.92x = 37,651,066,291.97 - Step 5: Solve for x
x = 37,651,066,291.97/248,649.92 - Step 6: Final answer
x = 151,421.99
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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.