Finding the Fourth Proportional to 126,495.84, 189,715.84 and 36,519.02
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Solution
The fourth proportional to 126,495.84, 189,715.84 and 36,519.02 is: 54,770.47
Step by Step Solution
- Step 1: Write the proportion equation
126,495.84 : 189,715.84 = 36,519.02 : x - Step 2: Convert to fraction form
126,495.84/189,715.84 = 36,519.02/x - Step 3: Cross multiply
126,495.84x = 189,715.84 × 36,519.02 - Step 4: Simplify right side
126,495.84x = 6,928,236,226.83 - Step 5: Solve for x
x = 6,928,236,226.83/126,495.84 - Step 6: Final answer
x = 54,770.47
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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.