Finding the Fourth Proportional to 357,163.07, 492,884.63 and 196,018.53
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Solution
The fourth proportional to 357,163.07, 492,884.63 and 196,018.53 is: 270,505.35
Step by Step Solution
- Step 1: Write the proportion equation
357,163.07 : 492,884.63 = 196,018.53 : x - Step 2: Convert to fraction form
357,163.07/492,884.63 = 196,018.53/x - Step 3: Cross multiply
357,163.07x = 492,884.63 × 196,018.53 - Step 4: Simplify right side
357,163.07x = 96,614,519,652.10 - Step 5: Solve for x
x = 96,614,519,652.10/357,163.07 - Step 6: Final answer
x = 270,505.35
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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.