Finding the Fourth Proportional to 396,736.53, 595,220.07 and 144,012.99
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Solution
The fourth proportional to 396,736.53, 595,220.07 and 144,012.99 is: 216,061.33
Step by Step Solution
- Step 1: Write the proportion equation
396,736.53 : 595,220.07 = 144,012.99 : x - Step 2: Convert to fraction form
396,736.53/595,220.07 = 144,012.99/x - Step 3: Cross multiply
396,736.53x = 595,220.07 × 144,012.99 - Step 4: Simplify right side
396,736.53x = 85,719,421,988.71 - Step 5: Solve for x
x = 85,719,421,988.71/396,736.53 - Step 6: Final answer
x = 216,061.33
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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.