Finding the Fourth Proportional to 189,986.72, 283,576.96 and 167,574.08
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Solution
The fourth proportional to 189,986.72, 283,576.96 and 167,574.08 is: 250,123.53
Step by Step Solution
- Step 1: Write the proportion equation
189,986.72 : 283,576.96 = 167,574.08 : x - Step 2: Convert to fraction form
189,986.72/283,576.96 = 167,574.08/x - Step 3: Cross multiply
189,986.72x = 283,576.96 × 167,574.08 - Step 4: Simplify right side
189,986.72x = 47,520,148,181.20 - Step 5: Solve for x
x = 47,520,148,181.20/189,986.72 - Step 6: Final answer
x = 250,123.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.