Finding the Fourth Proportional to 197,720.84, 296,519.91 and 71,344.68
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Solution
The fourth proportional to 197,720.84, 296,519.91 and 71,344.68 is: 106,994.87
Step by Step Solution
- Step 1: Write the proportion equation
197,720.84 : 296,519.91 = 71,344.68 : x - Step 2: Convert to fraction form
197,720.84/296,519.91 = 71,344.68/x - Step 3: Cross multiply
197,720.84x = 296,519.91 × 71,344.68 - Step 4: Simplify right side
197,720.84x = 21,155,116,713.09 - Step 5: Solve for x
x = 21,155,116,713.09/197,720.84 - Step 6: Final answer
x = 106,994.87
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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.