Finding the Fourth Proportional to 281,824.36, 422,669.42 and 113,345.08
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Solution
The fourth proportional to 281,824.36, 422,669.42 and 113,345.08 is: 169,990.63
Step by Step Solution
- Step 1: Write the proportion equation
281,824.36 : 422,669.42 = 113,345.08 : x - Step 2: Convert to fraction form
281,824.36/422,669.42 = 113,345.08/x - Step 3: Cross multiply
281,824.36x = 422,669.42 × 113,345.08 - Step 4: Simplify right side
281,824.36x = 47,907,499,223.45 - Step 5: Solve for x
x = 47,907,499,223.45/281,824.36 - Step 6: Final answer
x = 169,990.63
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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.