Finding the Fourth Proportional to 189,186.84, 283,832.10 and 99,235.53
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Solution
The fourth proportional to 189,186.84, 283,832.10 and 99,235.53 is: 148,880.49
Step by Step Solution
- Step 1: Write the proportion equation
189,186.84 : 283,832.10 = 99,235.53 : x - Step 2: Convert to fraction form
189,186.84/283,832.10 = 99,235.53/x - Step 3: Cross multiply
189,186.84x = 283,832.10 × 99,235.53 - Step 4: Simplify right side
189,186.84x = 28,166,228,874.51 - Step 5: Solve for x
x = 28,166,228,874.51/189,186.84 - Step 6: Final answer
x = 148,880.49
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1.5x scale
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.