Finding the Fourth Proportional to 134,438.70, 201,658.05 and 40,944.30
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Solution
The fourth proportional to 134,438.70, 201,658.05 and 40,944.30 is: 61,416.45
Step by Step Solution
- Step 1: Write the proportion equation
134,438.70 : 201,658.05 = 40,944.30 : x - Step 2: Convert to fraction form
134,438.70/201,658.05 = 40,944.30/x - Step 3: Cross multiply
134,438.70x = 201,658.05 × 40,944.30 - Step 4: Simplify right side
134,438.70x = 8,256,747,696.62 - Step 5: Solve for x
x = 8,256,747,696.62/134,438.70 - Step 6: Final answer
x = 61,416.45
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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.