Finding the Fourth Proportional to 188,192.81, 282,289.61 and 132,283.09
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Solution
The fourth proportional to 188,192.81, 282,289.61 and 132,283.09 is: 198,424.91
Step by Step Solution
- Step 1: Write the proportion equation
188,192.81 : 282,289.61 = 132,283.09 : x - Step 2: Convert to fraction form
188,192.81/282,289.61 = 132,283.09/x - Step 3: Cross multiply
188,192.81x = 282,289.61 × 132,283.09 - Step 4: Simplify right side
188,192.81x = 37,342,141,224.28 - Step 5: Solve for x
x = 37,342,141,224.28/188,192.81 - Step 6: Final answer
x = 198,424.91
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1.5x scale
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.