Finding the Fourth Proportional to 457,786.68, 631,753.19 and 253,846.19
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Solution
The fourth proportional to 457,786.68, 631,753.19 and 253,846.19 is: 350,311.94
Step by Step Solution
- Step 1: Write the proportion equation
457,786.68 : 631,753.19 = 253,846.19 : x - Step 2: Convert to fraction form
457,786.68/631,753.19 = 253,846.19/x - Step 3: Cross multiply
457,786.68x = 631,753.19 × 253,846.19 - Step 4: Simplify right side
457,786.68x = 160,368,140,301.85 - Step 5: Solve for x
x = 160,368,140,301.85/457,786.68 - Step 6: Final answer
x = 350,311.94
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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.