Finding the Fourth Proportional to 185,757.24, 256,342.74 and 100,874.92
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Solution
The fourth proportional to 185,757.24, 256,342.74 and 100,874.92 is: 139,206.17
Step by Step Solution
- Step 1: Write the proportion equation
185,757.24 : 256,342.74 = 100,874.92 : x - Step 2: Convert to fraction form
185,757.24/256,342.74 = 100,874.92/x - Step 3: Cross multiply
185,757.24x = 256,342.74 × 100,874.92 - Step 4: Simplify right side
185,757.24x = 25,858,553,390.08 - Step 5: Solve for x
x = 25,858,553,390.08/185,757.24 - Step 6: Final answer
x = 139,206.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.