Finding the Fourth Proportional to 480,418.36, 720,715.29 and 160,539.91
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Solution
The fourth proportional to 480,418.36, 720,715.29 and 160,539.91 is: 240,839.19
Step by Step Solution
- Step 1: Write the proportion equation
480,418.36 : 720,715.29 = 160,539.91 : x - Step 2: Convert to fraction form
480,418.36/720,715.29 = 160,539.91/x - Step 3: Cross multiply
480,418.36x = 720,715.29 × 160,539.91 - Step 4: Simplify right side
480,418.36x = 115,703,567,792.22 - Step 5: Solve for x
x = 115,703,567,792.22/480,418.36 - Step 6: Final answer
x = 240,839.19
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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.