Finding the Fourth Proportional to 201,905.45, 302,858.18 and 181,860.65
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Solution
The fourth proportional to 201,905.45, 302,858.18 and 181,860.65 is: 272,790.98
Step by Step Solution
- Step 1: Write the proportion equation
201,905.45 : 302,858.18 = 181,860.65 : x - Step 2: Convert to fraction form
201,905.45/302,858.18 = 181,860.65/x - Step 3: Cross multiply
201,905.45x = 302,858.18 × 181,860.65 - Step 4: Simplify right side
201,905.45x = 55,077,984,563.31 - Step 5: Solve for x
x = 55,077,984,563.31/201,905.45 - Step 6: Final answer
x = 272,790.98
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1.5x scale
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.