Finding the Fourth Proportional to 309,765,724.00, 427,507,578.81 and 231,313,074.98
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Solution
The fourth proportional to 309,765,724.00, 427,507,578.81 and 231,313,074.98 is: 319,235,102.43
Step by Step Solution
- Step 1: Write the proportion equation
309,765,724.00 : 427,507,578.81 = 231,313,074.98 : x - Step 2: Convert to fraction form
309,765,724.00/427,507,578.81 = 231,313,074.98/x - Step 3: Cross multiply
309,765,724.00x = 427,507,578.81 × 231,313,074.98 - Step 4: Simplify right side
309,765,724.00x = 98,888,092,629,658,256 - Step 5: Solve for x
x = 98,888,092,629,658,256/309,765,724.00 - Step 6: Final answer
x = 319,235,102.43
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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.