Finding the Fourth Proportional to 303,931.29, 455,489.39 and 236,544.68
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Solution
The fourth proportional to 303,931.29, 455,489.39 and 236,544.68 is: 354,499.82
Step by Step Solution
- Step 1: Write the proportion equation
303,931.29 : 455,489.39 = 236,544.68 : x - Step 2: Convert to fraction form
303,931.29/455,489.39 = 236,544.68/x - Step 3: Cross multiply
303,931.29x = 455,489.39 × 236,544.68 - Step 4: Simplify right side
303,931.29x = 107,743,588,540.78 - Step 5: Solve for x
x = 107,743,588,540.78/303,931.29 - Step 6: Final answer
x = 354,499.82
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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.