Finding the Fourth Proportional to 409,872.10, 614,152.05 and 269,466.70
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Solution
The fourth proportional to 409,872.10, 614,152.05 and 269,466.70 is: 403,768.70
Step by Step Solution
- Step 1: Write the proportion equation
409,872.10 : 614,152.05 = 269,466.70 : x - Step 2: Convert to fraction form
409,872.10/614,152.05 = 269,466.70/x - Step 3: Cross multiply
409,872.10x = 614,152.05 × 269,466.70 - Step 4: Simplify right side
409,872.10x = 165,493,526,211.74 - Step 5: Solve for x
x = 165,493,526,211.74/409,872.10 - Step 6: Final answer
x = 403,768.70
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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.