Finding the Fourth Proportional to 130,382.26, 195,666.63 and 55,554.82
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Solution
The fourth proportional to 130,382.26, 195,666.63 and 55,554.82 is: 83,371.96
Step by Step Solution
- Step 1: Write the proportion equation
130,382.26 : 195,666.63 = 55,554.82 : x - Step 2: Convert to fraction form
130,382.26/195,666.63 = 55,554.82/x - Step 3: Cross multiply
130,382.26x = 195,666.63 × 55,554.82 - Step 4: Simplify right side
130,382.26x = 10,870,224,409.66 - Step 5: Solve for x
x = 10,870,224,409.66/130,382.26 - Step 6: Final answer
x = 83,371.96
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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.