Finding the Fourth Proportional to 461,532.76, 636,998.58 and 275,276.17
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Solution
The fourth proportional to 461,532.76, 636,998.58 and 275,276.17 is: 379,930.84
Step by Step Solution
- Step 1: Write the proportion equation
461,532.76 : 636,998.58 = 275,276.17 : x - Step 2: Convert to fraction form
461,532.76/636,998.58 = 275,276.17/x - Step 3: Cross multiply
461,532.76x = 636,998.58 × 275,276.17 - Step 4: Simplify right side
461,532.76x = 175,350,530,194.09 - Step 5: Solve for x
x = 175,350,530,194.09/461,532.76 - Step 6: Final answer
x = 379,930.84
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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.