Finding the Fourth Proportional to 391,147.91, 586,716.04 and 106,837.98
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Solution
The fourth proportional to 391,147.91, 586,716.04 and 106,837.98 is: 160,255.38
Step by Step Solution
- Step 1: Write the proportion equation
391,147.91 : 586,716.04 = 106,837.98 : x - Step 2: Convert to fraction form
391,147.91/586,716.04 = 106,837.98/x - Step 3: Cross multiply
391,147.91x = 586,716.04 × 106,837.98 - Step 4: Simplify right side
391,147.91x = 62,683,556,013.01 - Step 5: Solve for x
x = 62,683,556,013.01/391,147.91 - Step 6: Final answer
x = 160,255.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.