Finding the Fourth Proportional to 283,865.23, 425,788.57 and 115,335.71
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Solution
The fourth proportional to 283,865.23, 425,788.57 and 115,335.71 is: 172,999.80
Step by Step Solution
- Step 1: Write the proportion equation
283,865.23 : 425,788.57 = 115,335.71 : x - Step 2: Convert to fraction form
283,865.23/425,788.57 = 115,335.71/x - Step 3: Cross multiply
283,865.23x = 425,788.57 × 115,335.71 - Step 4: Simplify right side
283,865.23x = 49,108,627,806.97 - Step 5: Solve for x
x = 49,108,627,806.97/283,865.23 - Step 6: Final answer
x = 172,999.80
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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.