Finding the Fourth Proportional to 331,341.60, 457,224.42 and 186,139.48
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Solution
The fourth proportional to 331,341.60, 457,224.42 and 186,139.48 is: 256,857.32
Step by Step Solution
- Step 1: Write the proportion equation
331,341.60 : 457,224.42 = 186,139.48 : x - Step 2: Convert to fraction form
331,341.60/457,224.42 = 186,139.48/x - Step 3: Cross multiply
331,341.60x = 457,224.42 × 186,139.48 - Step 4: Simplify right side
331,341.60x = 85,107,515,782.10 - Step 5: Solve for x
x = 85,107,515,782.10/331,341.60 - Step 6: Final answer
x = 256,857.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.