Finding the Fourth Proportional to 274,742.70, 411,312.15 and 196,010.70
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Solution
The fourth proportional to 274,742.70, 411,312.15 and 196,010.70 is: 293,443.95
Step by Step Solution
- Step 1: Write the proportion equation
274,742.70 : 411,312.15 = 196,010.70 : x - Step 2: Convert to fraction form
274,742.70/411,312.15 = 196,010.70/x - Step 3: Cross multiply
274,742.70x = 411,312.15 × 196,010.70 - Step 4: Simplify right side
274,742.70x = 80,621,582,440.01 - Step 5: Solve for x
x = 80,621,582,440.01/274,742.70 - Step 6: Final answer
x = 293,443.95
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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.