Finding the Fourth Proportional to 335,845.86, 462,977.67 and 255,133.26
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Solution
The fourth proportional to 335,845.86, 462,977.67 and 255,133.26 is: 351,711.95
Step by Step Solution
- Step 1: Write the proportion equation
335,845.86 : 462,977.67 = 255,133.26 : x - Step 2: Convert to fraction form
335,845.86/462,977.67 = 255,133.26/x - Step 3: Cross multiply
335,845.86x = 462,977.67 × 255,133.26 - Step 4: Simplify right side
335,845.86x = 118,121,002,254.30 - Step 5: Solve for x
x = 118,121,002,254.30/335,845.86 - Step 6: Final answer
x = 351,711.95
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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.