Finding the Fourth Proportional to 274,030.32, 410,011.90 and 161,771.60
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Solution
The fourth proportional to 274,030.32, 410,011.90 and 161,771.60 is: 242,047.23
Step by Step Solution
- Step 1: Write the proportion equation
274,030.32 : 410,011.90 = 161,771.60 : x - Step 2: Convert to fraction form
274,030.32/410,011.90 = 161,771.60/x - Step 3: Cross multiply
274,030.32x = 410,011.90 × 161,771.60 - Step 4: Simplify right side
274,030.32x = 66,328,281,082.04 - Step 5: Solve for x
x = 66,328,281,082.04/274,030.32 - Step 6: Final answer
x = 242,047.23
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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.