Finding the Fourth Proportional to 394,887.24, 544,956.90 and 216,039.24
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Solution
The fourth proportional to 394,887.24, 544,956.90 and 216,039.24 is: 298,140.99
Step by Step Solution
- Step 1: Write the proportion equation
394,887.24 : 544,956.90 = 216,039.24 : x - Step 2: Convert to fraction form
394,887.24/544,956.90 = 216,039.24/x - Step 3: Cross multiply
394,887.24x = 544,956.90 × 216,039.24 - Step 4: Simplify right side
394,887.24x = 117,732,074,508.76 - Step 5: Solve for x
x = 117,732,074,508.76/394,887.24 - Step 6: Final answer
x = 298,140.99
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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.