Finding the Fourth Proportional to 104,873.46, 157,249.44 and 71,633.70
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Solution
The fourth proportional to 104,873.46, 157,249.44 and 71,633.70 is: 107,409.05
Step by Step Solution
- Step 1: Write the proportion equation
104,873.46 : 157,249.44 = 71,633.70 : x - Step 2: Convert to fraction form
104,873.46/157,249.44 = 71,633.70/x - Step 3: Cross multiply
104,873.46x = 157,249.44 × 71,633.70 - Step 4: Simplify right side
104,873.46x = 11,264,359,210.13 - Step 5: Solve for x
x = 11,264,359,210.13/104,873.46 - Step 6: Final answer
x = 107,409.05
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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.