Finding the Fourth Proportional to 189,090.36, 283,684.74 and 70,770.84
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Solution
The fourth proportional to 189,090.36, 283,684.74 and 70,770.84 is: 106,174.67
Step by Step Solution
- Step 1: Write the proportion equation
189,090.36 : 283,684.74 = 70,770.84 : x - Step 2: Convert to fraction form
189,090.36/283,684.74 = 70,770.84/x - Step 3: Cross multiply
189,090.36x = 283,684.74 × 70,770.84 - Step 4: Simplify right side
189,090.36x = 20,076,607,344.98 - Step 5: Solve for x
x = 20,076,607,344.98/189,090.36 - Step 6: Final answer
x = 106,174.67
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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.