Finding the Fourth Proportional to 329,798.91, 455,121.70 and 178,895.91
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Solution
The fourth proportional to 329,798.91, 455,121.70 and 178,895.91 is: 246,875.92
Step by Step Solution
- Step 1: Write the proportion equation
329,798.91 : 455,121.70 = 178,895.91 : x - Step 2: Convert to fraction form
329,798.91/455,121.70 = 178,895.91/x - Step 3: Cross multiply
329,798.91x = 455,121.70 × 178,895.91 - Step 4: Simplify right side
329,798.91x = 81,419,410,682.25 - Step 5: Solve for x
x = 81,419,410,682.25/329,798.91 - Step 6: Final answer
x = 246,875.92
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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.