Finding the Fourth Proportional to 394,846.08, 544,900.48 and 215,998.08
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Solution
The fourth proportional to 394,846.08, 544,900.48 and 215,998.08 is: 298,084.40
Step by Step Solution
- Step 1: Write the proportion equation
394,846.08 : 544,900.48 = 215,998.08 : x - Step 2: Convert to fraction form
394,846.08/544,900.48 = 215,998.08/x - Step 3: Cross multiply
394,846.08x = 544,900.48 × 215,998.08 - Step 4: Simplify right side
394,846.08x = 117,697,457,471.08 - Step 5: Solve for x
x = 117,697,457,471.08/394,846.08 - Step 6: Final answer
x = 298,084.40
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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.