Finding the Fourth Proportional to 252,029.76, 347,798.08 and 138,850.08
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Solution
The fourth proportional to 252,029.76, 347,798.08 and 138,850.08 is: 191,611.46
Step by Step Solution
- Step 1: Write the proportion equation
252,029.76 : 347,798.08 = 138,850.08 : x - Step 2: Convert to fraction form
252,029.76/347,798.08 = 138,850.08/x - Step 3: Cross multiply
252,029.76x = 347,798.08 × 138,850.08 - Step 4: Simplify right side
252,029.76x = 48,291,791,231.85 - Step 5: Solve for x
x = 48,291,791,231.85/252,029.76 - Step 6: Final answer
x = 191,611.46
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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.