Finding the Fourth Proportional to 195,079.40, 292,619.09 and 54,838.02
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Solution
The fourth proportional to 195,079.40, 292,619.09 and 54,838.02 is: 82,257.03
Step by Step Solution
- Step 1: Write the proportion equation
195,079.40 : 292,619.09 = 54,838.02 : x - Step 2: Convert to fraction form
195,079.40/292,619.09 = 54,838.02/x - Step 3: Cross multiply
195,079.40x = 292,619.09 × 54,838.02 - Step 4: Simplify right side
195,079.40x = 16,046,652,744.22 - Step 5: Solve for x
x = 16,046,652,744.22/195,079.40 - Step 6: Final answer
x = 82,257.03
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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.