Finding the Fourth Proportional to 313,519.96, 432,725.70 and 192,764.62
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Solution
The fourth proportional to 313,519.96, 432,725.70 and 192,764.62 is: 266,057.08
Step by Step Solution
- Step 1: Write the proportion equation
313,519.96 : 432,725.70 = 192,764.62 : x - Step 2: Convert to fraction form
313,519.96/432,725.70 = 192,764.62/x - Step 3: Cross multiply
313,519.96x = 432,725.70 × 192,764.62 - Step 4: Simplify right side
313,519.96x = 83,414,205,124.73 - Step 5: Solve for x
x = 83,414,205,124.73/313,519.96 - Step 6: Final answer
x = 266,057.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.