Finding the Fourth Proportional to 329,432.99, 454,617.92 and 178,529.99
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Solution
The fourth proportional to 329,432.99, 454,617.92 and 178,529.99 is: 246,371.60
Step by Step Solution
- Step 1: Write the proportion equation
329,432.99 : 454,617.92 = 178,529.99 : x - Step 2: Convert to fraction form
329,432.99/454,617.92 = 178,529.99/x - Step 3: Cross multiply
329,432.99x = 454,617.92 × 178,529.99 - Step 4: Simplify right side
329,432.99x = 81,162,932,711.42 - Step 5: Solve for x
x = 81,162,932,711.42/329,432.99 - Step 6: Final answer
x = 246,371.60
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1.5x scale
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.