Finding the Fourth Proportional to 115,161.84, 172,742.58 and 44,991.99
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Solution
The fourth proportional to 115,161.84, 172,742.58 and 44,991.99 is: 67,487.91
Step by Step Solution
- Step 1: Write the proportion equation
115,161.84 : 172,742.58 = 44,991.99 : x - Step 2: Convert to fraction form
115,161.84/172,742.58 = 44,991.99/x - Step 3: Cross multiply
115,161.84x = 172,742.58 × 44,991.99 - Step 4: Simplify right side
115,161.84x = 7,772,032,431.93 - Step 5: Solve for x
x = 7,772,032,431.93/115,161.84 - Step 6: Final answer
x = 67,487.91
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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.