Finding the Fourth Proportional to 234,702.58, 351,961.74 and 82,867.28
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Solution
The fourth proportional to 234,702.58, 351,961.74 and 82,867.28 is: 124,268.39
Step by Step Solution
- Step 1: Write the proportion equation
234,702.58 : 351,961.74 = 82,867.28 : x - Step 2: Convert to fraction form
234,702.58/351,961.74 = 82,867.28/x - Step 3: Cross multiply
234,702.58x = 351,961.74 × 82,867.28 - Step 4: Simplify right side
234,702.58x = 29,166,112,057.87 - Step 5: Solve for x
x = 29,166,112,057.87/234,702.58 - Step 6: Final answer
x = 124,268.39
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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.