Finding the Fourth Proportional to 258,180.97, 356,272.49 and 149,277.08
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Solution
The fourth proportional to 258,180.97, 356,272.49 and 149,277.08 is: 205,992.40
Step by Step Solution
- Step 1: Write the proportion equation
258,180.97 : 356,272.49 = 149,277.08 : x - Step 2: Convert to fraction form
258,180.97/356,272.49 = 149,277.08/x - Step 3: Cross multiply
258,180.97x = 356,272.49 × 149,277.08 - Step 4: Simplify right side
258,180.97x = 53,183,316,251.37 - Step 5: Solve for x
x = 53,183,316,251.37/258,180.97 - Step 6: Final answer
x = 205,992.40
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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.