Finding the Fourth Proportional to 283,265.07, 425,160.09 and 143,122.11
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Solution
The fourth proportional to 283,265.07, 425,160.09 and 143,122.11 is: 214,815.79
Step by Step Solution
- Step 1: Write the proportion equation
283,265.07 : 425,160.09 = 143,122.11 : x - Step 2: Convert to fraction form
283,265.07/425,160.09 = 143,122.11/x - Step 3: Cross multiply
283,265.07x = 425,160.09 × 143,122.11 - Step 4: Simplify right side
283,265.07x = 60,849,809,168.59 - Step 5: Solve for x
x = 60,849,809,168.59/283,265.07 - Step 6: Final answer
x = 214,815.79
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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.