Finding the Fourth Proportional to 115,293.84, 172,909.80 and 44,201.04
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Solution
The fourth proportional to 115,293.84, 172,909.80 and 44,201.04 is: 66,289.69
Step by Step Solution
- Step 1: Write the proportion equation
115,293.84 : 172,909.80 = 44,201.04 : x - Step 2: Convert to fraction form
115,293.84/172,909.80 = 44,201.04/x - Step 3: Cross multiply
115,293.84x = 172,909.80 × 44,201.04 - Step 4: Simplify right side
115,293.84x = 7,642,792,986.19 - Step 5: Solve for x
x = 7,642,792,986.19/115,293.84 - Step 6: Final answer
x = 66,289.69
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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.