Finding the Fourth Proportional to 105,595.03, 157,998.87 and 104,414.05
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Solution
The fourth proportional to 105,595.03, 157,998.87 and 104,414.05 is: 156,231.80
Step by Step Solution
- Step 1: Write the proportion equation
105,595.03 : 157,998.87 = 104,414.05 : x - Step 2: Convert to fraction form
105,595.03/157,998.87 = 104,414.05/x - Step 3: Cross multiply
105,595.03x = 157,998.87 × 104,414.05 - Step 4: Simplify right side
105,595.03x = 16,497,301,122.13 - Step 5: Solve for x
x = 16,497,301,122.13/105,595.03 - Step 6: Final answer
x = 156,231.80
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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.