Finding the Fourth Proportional to 202,652.11, 303,931.95 and 76,305.68
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Solution
The fourth proportional to 202,652.11, 303,931.95 and 76,305.68 is: 114,441.11
Step by Step Solution
- Step 1: Write the proportion equation
202,652.11 : 303,931.95 = 76,305.68 : x - Step 2: Convert to fraction form
202,652.11/303,931.95 = 76,305.68/x - Step 3: Cross multiply
202,652.11x = 303,931.95 × 76,305.68 - Step 4: Simplify right side
202,652.11x = 23,191,733,452.41 - Step 5: Solve for x
x = 23,191,733,452.41/202,652.11 - Step 6: Final answer
x = 114,441.11
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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.