Finding the Fourth Proportional to 258,882.89, 357,257.49 and 144,162.99
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Solution
The fourth proportional to 258,882.89, 357,257.49 and 144,162.99 is: 198,944.43
Step by Step Solution
- Step 1: Write the proportion equation
258,882.89 : 357,257.49 = 144,162.99 : x - Step 2: Convert to fraction form
258,882.89/357,257.49 = 144,162.99/x - Step 3: Cross multiply
258,882.89x = 357,257.49 × 144,162.99 - Step 4: Simplify right side
258,882.89x = 51,503,307,417.68 - Step 5: Solve for x
x = 51,503,307,417.68/258,882.89 - Step 6: Final answer
x = 198,944.43
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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.