Finding the Fourth Proportional to 492,825.11, 739,237.66 and 193,446.68
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Solution
The fourth proportional to 492,825.11, 739,237.66 and 193,446.68 is: 290,170.01
Step by Step Solution
- Step 1: Write the proportion equation
492,825.11 : 739,237.66 = 193,446.68 : x - Step 2: Convert to fraction form
492,825.11/739,237.66 = 193,446.68/x - Step 3: Cross multiply
492,825.11x = 739,237.66 × 193,446.68 - Step 4: Simplify right side
492,825.11x = 143,003,066,878.16 - Step 5: Solve for x
x = 143,003,066,878.16/492,825.11 - Step 6: Final answer
x = 290,170.01
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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.