Finding the Fourth Proportional to 286,183.74, 394,913.80 and 158,849.31
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Solution
The fourth proportional to 286,183.74, 394,913.80 and 158,849.31 is: 219,201.08
Step by Step Solution
- Step 1: Write the proportion equation
286,183.74 : 394,913.80 = 158,849.31 : x - Step 2: Convert to fraction form
286,183.74/394,913.80 = 158,849.31/x - Step 3: Cross multiply
286,183.74x = 394,913.80 × 158,849.31 - Step 4: Simplify right side
286,183.74x = 62,731,784,639.48 - Step 5: Solve for x
x = 62,731,784,639.48/286,183.74 - Step 6: Final answer
x = 219,201.08
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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.