Finding the Fourth Proportional to 134,846.40, 202,318.20 and 129,986.40
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Solution
The fourth proportional to 134,846.40, 202,318.20 and 129,986.40 is: 195,026.45
Step by Step Solution
- Step 1: Write the proportion equation
134,846.40 : 202,318.20 = 129,986.40 : x - Step 2: Convert to fraction form
134,846.40/202,318.20 = 129,986.40/x - Step 3: Cross multiply
134,846.40x = 202,318.20 × 129,986.40 - Step 4: Simplify right side
134,846.40x = 26,298,614,472.48 - Step 5: Solve for x
x = 26,298,614,472.48/134,846.40 - Step 6: Final answer
x = 195,026.45
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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.