Finding the Fourth Proportional to 202,143.40, 302,972.10 and 83,753.80
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Solution
The fourth proportional to 202,143.40, 302,972.10 and 83,753.80 is: 125,530.02
Step by Step Solution
- Step 1: Write the proportion equation
202,143.40 : 302,972.10 = 83,753.80 : x - Step 2: Convert to fraction form
202,143.40/302,972.10 = 83,753.80/x - Step 3: Cross multiply
202,143.40x = 302,972.10 × 83,753.80 - Step 4: Simplify right side
202,143.40x = 25,375,064,668.98 - Step 5: Solve for x
x = 25,375,064,668.98/202,143.40 - Step 6: Final answer
x = 125,530.02
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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.