Finding the Fourth Proportional to 296,863.32, 445,407.06 and 178,617.70
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Solution
The fourth proportional to 296,863.32, 445,407.06 and 178,617.70 is: 267,993.99
Step by Step Solution
- Step 1: Write the proportion equation
296,863.32 : 445,407.06 = 178,617.70 : x - Step 2: Convert to fraction form
296,863.32/445,407.06 = 178,617.70/x - Step 3: Cross multiply
296,863.32x = 445,407.06 × 178,617.70 - Step 4: Simplify right side
296,863.32x = 79,557,584,620.96 - Step 5: Solve for x
x = 79,557,584,620.96/296,863.32 - Step 6: Final answer
x = 267,993.99
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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.