Finding the Fourth Proportional to 134,935.46, 202,367.87 and 40,140.12
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Solution
The fourth proportional to 134,935.46, 202,367.87 and 40,140.12 is: 60,199.68
Step by Step Solution
- Step 1: Write the proportion equation
134,935.46 : 202,367.87 = 40,140.12 : x - Step 2: Convert to fraction form
134,935.46/202,367.87 = 40,140.12/x - Step 3: Cross multiply
134,935.46x = 202,367.87 × 40,140.12 - Step 4: Simplify right side
134,935.46x = 8,123,070,991.51 - Step 5: Solve for x
x = 8,123,070,991.51/134,935.46 - Step 6: Final answer
x = 60,199.68
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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.