Finding the Fourth Proportional to 99,625.87, 149,357.37 and 46,351.06
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Solution
The fourth proportional to 99,625.87, 149,357.37 and 46,351.06 is: 69,488.70
Step by Step Solution
- Step 1: Write the proportion equation
99,625.87 : 149,357.37 = 46,351.06 : x - Step 2: Convert to fraction form
99,625.87/149,357.37 = 46,351.06/x - Step 3: Cross multiply
99,625.87x = 149,357.37 × 46,351.06 - Step 4: Simplify right side
99,625.87x = 6,922,872,418.31 - Step 5: Solve for x
x = 6,922,872,418.31/99,625.87 - Step 6: Final answer
x = 69,488.70
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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.