Finding the Fourth Proportional to 546,905.97, 820,440.99 and 191,857.44
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Solution
The fourth proportional to 546,905.97, 820,440.99 and 191,857.44 is: 287,814.94
Step by Step Solution
- Step 1: Write the proportion equation
546,905.97 : 820,440.99 = 191,857.44 : x - Step 2: Convert to fraction form
546,905.97/820,440.99 = 191,857.44/x - Step 3: Cross multiply
546,905.97x = 820,440.99 × 191,857.44 - Step 4: Simplify right side
546,905.97x = 157,407,708,012.47 - Step 5: Solve for x
x = 157,407,708,012.47/546,905.97 - Step 6: Final answer
x = 287,814.94
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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.