Finding the Fourth Proportional to 201,680.30, 302,520.45 and 135,325.10
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Solution
The fourth proportional to 201,680.30, 302,520.45 and 135,325.10 is: 202,987.65
Step by Step Solution
- Step 1: Write the proportion equation
201,680.30 : 302,520.45 = 135,325.10 : x - Step 2: Convert to fraction form
201,680.30/302,520.45 = 135,325.10/x - Step 3: Cross multiply
201,680.30x = 302,520.45 × 135,325.10 - Step 4: Simplify right side
201,680.30x = 40,938,610,148.30 - Step 5: Solve for x
x = 40,938,610,148.30/201,680.30 - Step 6: Final answer
x = 202,987.65
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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.