Finding the Fourth Proportional to 188,047.36, 282,071.72 and 47,805.99
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Solution
The fourth proportional to 188,047.36, 282,071.72 and 47,805.99 is: 71,709.16
Step by Step Solution
- Step 1: Write the proportion equation
188,047.36 : 282,071.72 = 47,805.99 : x - Step 2: Convert to fraction form
188,047.36/282,071.72 = 47,805.99/x - Step 3: Cross multiply
188,047.36x = 282,071.72 × 47,805.99 - Step 4: Simplify right side
188,047.36x = 13,484,717,825.60 - Step 5: Solve for x
x = 13,484,717,825.60/188,047.36 - Step 6: Final answer
x = 71,709.16
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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.