Finding the Fourth Proportional to 281,170.84, 422,767.86 and 259,252.36
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Solution
The fourth proportional to 281,170.84, 422,767.86 and 259,252.36 is: 389,811.28
Step by Step Solution
- Step 1: Write the proportion equation
281,170.84 : 422,767.86 = 259,252.36 : x - Step 2: Convert to fraction form
281,170.84/422,767.86 = 259,252.36/x - Step 3: Cross multiply
281,170.84x = 422,767.86 × 259,252.36 - Step 4: Simplify right side
281,170.84x = 109,603,565,437.15 - Step 5: Solve for x
x = 109,603,565,437.15/281,170.84 - Step 6: Final answer
x = 389,811.28
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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.