Finding the Fourth Proportional to 329,089.13, 454,142.99 and 178,186.13
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Solution
The fourth proportional to 329,089.13, 454,142.99 and 178,186.13 is: 245,896.85
Step by Step Solution
- Step 1: Write the proportion equation
329,089.13 : 454,142.99 = 178,186.13 : x - Step 2: Convert to fraction form
329,089.13/454,142.99 = 178,186.13/x - Step 3: Cross multiply
329,089.13x = 454,142.99 × 178,186.13 - Step 4: Simplify right side
329,089.13x = 80,921,981,854.73 - Step 5: Solve for x
x = 80,921,981,854.73/329,089.13 - Step 6: Final answer
x = 245,896.85
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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.