Finding the Fourth Proportional to 202,132.70, 302,615.85 and 202,132.70
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Solution
The fourth proportional to 202,132.70, 302,615.85 and 202,132.70 is: 302,615.85
Step by Step Solution
- Step 1: Write the proportion equation
202,132.70 : 302,615.85 = 202,132.70 : x - Step 2: Convert to fraction form
202,132.70/302,615.85 = 202,132.70/x - Step 3: Cross multiply
202,132.70x = 302,615.85 × 202,132.70 - Step 4: Simplify right side
202,132.70x = 61,168,558,823.30 - Step 5: Solve for x
x = 61,168,558,823.30/202,132.70 - Step 6: Final answer
x = 302,615.85
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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.