Finding the Fourth Proportional to 505,268.84, 757,245.08 and 205,399.14
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Solution
The fourth proportional to 505,268.84, 757,245.08 and 205,399.14 is: 307,831.15
Step by Step Solution
- Step 1: Write the proportion equation
505,268.84 : 757,245.08 = 205,399.14 : x - Step 2: Convert to fraction form
505,268.84/757,245.08 = 205,399.14/x - Step 3: Cross multiply
505,268.84x = 757,245.08 × 205,399.14 - Step 4: Simplify right side
505,268.84x = 155,537,488,201.23 - Step 5: Solve for x
x = 155,537,488,201.23/505,268.84 - Step 6: Final answer
x = 307,831.15
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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.