Finding the Fourth Proportional to 225,847.97, 338,804.12 and 74,012.52
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Solution
The fourth proportional to 225,847.97, 338,804.12 and 74,012.52 is: 111,029.32
Step by Step Solution
- Step 1: Write the proportion equation
225,847.97 : 338,804.12 = 74,012.52 : x - Step 2: Convert to fraction form
225,847.97/338,804.12 = 74,012.52/x - Step 3: Cross multiply
225,847.97x = 338,804.12 × 74,012.52 - Step 4: Simplify right side
225,847.97x = 25,075,746,707.58 - Step 5: Solve for x
x = 25,075,746,707.58/225,847.97 - Step 6: Final answer
x = 111,029.32
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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.