Finding the Fourth Proportional to 274,292.70, 411,439.05 and 174,893.55
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Solution
The fourth proportional to 274,292.70, 411,439.05 and 174,893.55 is: 262,340.33
Step by Step Solution
- Step 1: Write the proportion equation
274,292.70 : 411,439.05 = 174,893.55 : x - Step 2: Convert to fraction form
274,292.70/411,439.05 = 174,893.55/x - Step 3: Cross multiply
274,292.70x = 411,439.05 × 174,893.55 - Step 4: Simplify right side
274,292.70x = 71,958,036,063.13 - Step 5: Solve for x
x = 71,958,036,063.13/274,292.70 - Step 6: Final answer
x = 262,340.33
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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.