Finding the Fourth Proportional to 328,995.99, 454,015.98 and 178,092.99
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Solution
The fourth proportional to 328,995.99, 454,015.98 and 178,092.99 is: 245,769.15
Step by Step Solution
- Step 1: Write the proportion equation
328,995.99 : 454,015.98 = 178,092.99 : x - Step 2: Convert to fraction form
328,995.99/454,015.98 = 178,092.99/x - Step 3: Cross multiply
328,995.99x = 454,015.98 × 178,092.99 - Step 4: Simplify right side
328,995.99x = 80,857,063,385.98 - Step 5: Solve for x
x = 80,857,063,385.98/328,995.99 - Step 6: Final answer
x = 245,769.15
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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.