Finding the Fourth Proportional to 274,207.70, 411,311.55 and 163,615.70
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Solution
The fourth proportional to 274,207.70, 411,311.55 and 163,615.70 is: 245,423.55
Step by Step Solution
- Step 1: Write the proportion equation
274,207.70 : 411,311.55 = 163,615.70 : x - Step 2: Convert to fraction form
274,207.70/411,311.55 = 163,615.70/x - Step 3: Cross multiply
274,207.70x = 411,311.55 × 163,615.70 - Step 4: Simplify right side
274,207.70x = 67,297,027,171.34 - Step 5: Solve for x
x = 67,297,027,171.34/274,207.70 - Step 6: Final answer
x = 245,423.55
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1.5x scale
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.