Finding the Fourth Proportional to 275,537.81, 380,421.50 and 168,170.09
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Solution
The fourth proportional to 275,537.81, 380,421.50 and 168,170.09 is: 232,184.16
Step by Step Solution
- Step 1: Write the proportion equation
275,537.81 : 380,421.50 = 168,170.09 : x - Step 2: Convert to fraction form
275,537.81/380,421.50 = 168,170.09/x - Step 3: Cross multiply
275,537.81x = 380,421.50 × 168,170.09 - Step 4: Simplify right side
275,537.81x = 63,975,515,149.98 - Step 5: Solve for x
x = 63,975,515,149.98/275,537.81 - Step 6: Final answer
x = 232,184.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.