Finding the Fourth Proportional to 201,863.80, 302,795.70 and 148,719.70
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Solution
The fourth proportional to 201,863.80, 302,795.70 and 148,719.70 is: 223,079.55
Step by Step Solution
- Step 1: Write the proportion equation
201,863.80 : 302,795.70 = 148,719.70 : x - Step 2: Convert to fraction form
201,863.80/302,795.70 = 148,719.70/x - Step 3: Cross multiply
201,863.80x = 302,795.70 × 148,719.70 - Step 4: Simplify right side
201,863.80x = 45,031,685,665.29 - Step 5: Solve for x
x = 45,031,685,665.29/201,863.80 - Step 6: Final answer
x = 223,079.55
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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.