Finding the Fourth Proportional to 205,454.64, 283,559.94 and 124,907.40
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Solution
The fourth proportional to 205,454.64, 283,559.94 and 124,907.40 is: 172,391.99
Step by Step Solution
- Step 1: Write the proportion equation
205,454.64 : 283,559.94 = 124,907.40 : x - Step 2: Convert to fraction form
205,454.64/283,559.94 = 124,907.40/x - Step 3: Cross multiply
205,454.64x = 283,559.94 × 124,907.40 - Step 4: Simplify right side
205,454.64x = 35,418,734,849.56 - Step 5: Solve for x
x = 35,418,734,849.56/205,454.64 - Step 6: Final answer
x = 172,391.99
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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.