Finding the Fourth Proportional to 344,344.68, 475,163.01 and 318,953.61
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Solution
The fourth proportional to 344,344.68, 475,163.01 and 318,953.61 is: 440,125.74
Step by Step Solution
- Step 1: Write the proportion equation
344,344.68 : 475,163.01 = 318,953.61 : x - Step 2: Convert to fraction form
344,344.68/475,163.01 = 318,953.61/x - Step 3: Cross multiply
344,344.68x = 475,163.01 × 318,953.61 - Step 4: Simplify right side
344,344.68x = 151,554,953,407.38 - Step 5: Solve for x
x = 151,554,953,407.38/344,344.68 - Step 6: Final answer
x = 440,125.74
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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.