Finding the Fourth Proportional to 361,057.14, 498,266.64 and 197,720.53
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Solution
The fourth proportional to 361,057.14, 498,266.64 and 197,720.53 is: 272,858.59
Step by Step Solution
- Step 1: Write the proportion equation
361,057.14 : 498,266.64 = 197,720.53 : x - Step 2: Convert to fraction form
361,057.14/498,266.64 = 197,720.53/x - Step 3: Cross multiply
361,057.14x = 498,266.64 × 197,720.53 - Step 4: Simplify right side
361,057.14x = 98,517,542,896.45 - Step 5: Solve for x
x = 98,517,542,896.45/361,057.14 - Step 6: Final answer
x = 272,858.59
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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.