Finding the Fourth Proportional to 356,568.21, 492,067.98 and 195,419.79
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Solution
The fourth proportional to 356,568.21, 492,067.98 and 195,419.79 is: 269,681.42
Step by Step Solution
- Step 1: Write the proportion equation
356,568.21 : 492,067.98 = 195,419.79 : x - Step 2: Convert to fraction form
356,568.21/492,067.98 = 195,419.79/x - Step 3: Cross multiply
356,568.21x = 492,067.98 × 195,419.79 - Step 4: Simplify right side
356,568.21x = 96,159,821,317.32 - Step 5: Solve for x
x = 96,159,821,317.32/356,568.21 - Step 6: Final answer
x = 269,681.42
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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.