Finding the Fourth Proportional to 505,634.88, 758,497.68 and 131,661.12
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Solution
The fourth proportional to 505,634.88, 758,497.68 and 131,661.12 is: 197,503.49
Step by Step Solution
- Step 1: Write the proportion equation
505,634.88 : 758,497.68 = 131,661.12 : x - Step 2: Convert to fraction form
505,634.88/758,497.68 = 131,661.12/x - Step 3: Cross multiply
505,634.88x = 758,497.68 × 131,661.12 - Step 4: Simplify right side
505,634.88x = 99,864,654,066.20 - Step 5: Solve for x
x = 99,864,654,066.20/505,634.88 - Step 6: Final answer
x = 197,503.49
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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.