Finding the Fourth Proportional to 252,028.64, 347,800.38 and 138,851.12
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Solution
The fourth proportional to 252,028.64, 347,800.38 and 138,851.12 is: 191,615.02
Step by Step Solution
- Step 1: Write the proportion equation
252,028.64 : 347,800.38 = 138,851.12 : x - Step 2: Convert to fraction form
252,028.64/347,800.38 = 138,851.12/x - Step 3: Cross multiply
252,028.64x = 347,800.38 × 138,851.12 - Step 4: Simplify right side
252,028.64x = 48,292,472,299.43 - Step 5: Solve for x
x = 48,292,472,299.43/252,028.64 - Step 6: Final answer
x = 191,615.02
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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.