Finding the Fourth Proportional to 188,049.36, 282,074.72 and 47,807.99
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Solution
The fourth proportional to 188,049.36, 282,074.72 and 47,807.99 is: 71,712.16
Step by Step Solution
- Step 1: Write the proportion equation
188,049.36 : 282,074.72 = 47,807.99 : x - Step 2: Convert to fraction form
188,049.36/282,074.72 = 47,807.99/x - Step 3: Cross multiply
188,049.36x = 282,074.72 × 47,807.99 - Step 4: Simplify right side
188,049.36x = 13,485,425,393.01 - Step 5: Solve for x
x = 13,485,425,393.01/188,049.36 - Step 6: Final answer
x = 71,712.16
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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.