Finding the Fourth Proportional to 319,464.27, 440,860.73 and 176,224.68
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Solution
The fourth proportional to 319,464.27, 440,860.73 and 176,224.68 is: 243,190.08
Step by Step Solution
- Step 1: Write the proportion equation
319,464.27 : 440,860.73 = 176,224.68 : x - Step 2: Convert to fraction form
319,464.27/440,860.73 = 176,224.68/x - Step 3: Cross multiply
319,464.27x = 440,860.73 × 176,224.68 - Step 4: Simplify right side
319,464.27x = 77,690,540,187.69 - Step 5: Solve for x
x = 77,690,540,187.69/319,464.27 - Step 6: Final answer
x = 243,190.08
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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.