Finding the Fourth Proportional to 171,919.92, 257,878.71 and 93,532.36
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Solution
The fourth proportional to 171,919.92, 257,878.71 and 93,532.36 is: 140,297.90
Step by Step Solution
- Step 1: Write the proportion equation
171,919.92 : 257,878.71 = 93,532.36 : x - Step 2: Convert to fraction form
171,919.92/257,878.71 = 93,532.36/x - Step 3: Cross multiply
171,919.92x = 257,878.71 × 93,532.36 - Step 4: Simplify right side
171,919.92x = 24,120,004,340.06 - Step 5: Solve for x
x = 24,120,004,340.06/171,919.92 - Step 6: Final answer
x = 140,297.90
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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.