Finding the Fourth Proportional to 245,896.94, 339,334.44 and 138,468.26
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Solution
The fourth proportional to 245,896.94, 339,334.44 and 138,468.26 is: 191,084.32
Step by Step Solution
- Step 1: Write the proportion equation
245,896.94 : 339,334.44 = 138,468.26 : x - Step 2: Convert to fraction form
245,896.94/339,334.44 = 138,468.26/x - Step 3: Cross multiply
245,896.94x = 339,334.44 × 138,468.26 - Step 4: Simplify right side
245,896.94x = 46,987,049,464.87 - Step 5: Solve for x
x = 46,987,049,464.87/245,896.94 - Step 6: Final answer
x = 191,084.32
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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.