Finding the Fourth Proportional to 296,443.05, 444,676.88 and 86,080.99
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Solution
The fourth proportional to 296,443.05, 444,676.88 and 86,080.99 is: 129,125.05
Step by Step Solution
- Step 1: Write the proportion equation
296,443.05 : 444,676.88 = 86,080.99 : x - Step 2: Convert to fraction form
296,443.05/444,676.88 = 86,080.99/x - Step 3: Cross multiply
296,443.05x = 444,676.88 × 86,080.99 - Step 4: Simplify right side
296,443.05x = 38,278,223,406.72 - Step 5: Solve for x
x = 38,278,223,406.72/296,443.05 - Step 6: Final answer
x = 129,125.05
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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.