Finding the Fourth Proportional to 78,351.98, 117,523.36 and 22,200.08
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Solution
The fourth proportional to 78,351.98, 117,523.36 and 22,200.08 is: 33,298.81
Step by Step Solution
- Step 1: Write the proportion equation
78,351.98 : 117,523.36 = 22,200.08 : x - Step 2: Convert to fraction form
78,351.98/117,523.36 = 22,200.08/x - Step 3: Cross multiply
78,351.98x = 117,523.36 × 22,200.08 - Step 4: Simplify right side
78,351.98x = 2,609,027,993.87 - Step 5: Solve for x
x = 2,609,027,993.87/78,351.98 - Step 6: Final answer
x = 33,298.81
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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.