Finding the Fourth Proportional to 165,335.70, 247,806.66 and 115,144.05
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Solution
The fourth proportional to 165,335.70, 247,806.66 and 115,144.05 is: 172,578.96
Step by Step Solution
- Step 1: Write the proportion equation
165,335.70 : 247,806.66 = 115,144.05 : x - Step 2: Convert to fraction form
165,335.70/247,806.66 = 115,144.05/x - Step 3: Cross multiply
165,335.70x = 247,806.66 × 115,144.05 - Step 4: Simplify right side
165,335.70x = 28,533,462,449.37 - Step 5: Solve for x
x = 28,533,462,449.37/165,335.70 - Step 6: Final answer
x = 172,578.96
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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.