Finding the Fourth Proportional to 147,338.68, 203,327.40 and 80,270.68
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Solution
The fourth proportional to 147,338.68, 203,327.40 and 80,270.68 is: 110,773.55
Step by Step Solution
- Step 1: Write the proportion equation
147,338.68 : 203,327.40 = 80,270.68 : x - Step 2: Convert to fraction form
147,338.68/203,327.40 = 80,270.68/x - Step 3: Cross multiply
147,338.68x = 203,327.40 × 80,270.68 - Step 4: Simplify right side
147,338.68x = 16,321,228,660.63 - Step 5: Solve for x
x = 16,321,228,660.63/147,338.68 - Step 6: Final answer
x = 110,773.55
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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.