Finding the Fourth Proportional to 296,480.26, 444,732.70 and 86,118.20
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Solution
The fourth proportional to 296,480.26, 444,732.70 and 86,118.20 is: 129,180.88
Step by Step Solution
- Step 1: Write the proportion equation
296,480.26 : 444,732.70 = 86,118.20 : x - Step 2: Convert to fraction form
296,480.26/444,732.70 = 86,118.20/x - Step 3: Cross multiply
296,480.26x = 444,732.70 × 86,118.20 - Step 4: Simplify right side
296,480.26x = 38,299,579,605.14 - Step 5: Solve for x
x = 38,299,579,605.14/296,480.26 - Step 6: Final answer
x = 129,180.88
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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.