Finding the Fourth Proportional to 281,620.63, 422,525.26 and 92,089.74
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Solution
The fourth proportional to 281,620.63, 422,525.26 and 92,089.74 is: 138,165.45
Step by Step Solution
- Step 1: Write the proportion equation
281,620.63 : 422,525.26 = 92,089.74 : x - Step 2: Convert to fraction form
281,620.63/422,525.26 = 92,089.74/x - Step 3: Cross multiply
281,620.63x = 422,525.26 × 92,089.74 - Step 4: Simplify right side
281,620.63x = 38,910,241,336.83 - Step 5: Solve for x
x = 38,910,241,336.83/281,620.63 - Step 6: Final answer
x = 138,165.45
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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.