Finding the Fourth Proportional to 115,185.68, 172,707.24 and 44,982.44
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Solution
The fourth proportional to 115,185.68, 172,707.24 and 44,982.44 is: 67,445.82
Step by Step Solution
- Step 1: Write the proportion equation
115,185.68 : 172,707.24 = 44,982.44 : x - Step 2: Convert to fraction form
115,185.68/172,707.24 = 44,982.44/x - Step 3: Cross multiply
115,185.68x = 172,707.24 × 44,982.44 - Step 4: Simplify right side
115,185.68x = 7,768,792,460.41 - Step 5: Solve for x
x = 7,768,792,460.41/115,185.68 - Step 6: Final answer
x = 67,445.82
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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.