Finding the Fourth Proportional to 206,399.58, 284,567.74 and 133,673.98
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Solution
The fourth proportional to 206,399.58, 284,567.74 and 133,673.98 is: 184,299.32
Step by Step Solution
- Step 1: Write the proportion equation
206,399.58 : 284,567.74 = 133,673.98 : x - Step 2: Convert to fraction form
206,399.58/284,567.74 = 133,673.98/x - Step 3: Cross multiply
206,399.58x = 284,567.74 × 133,673.98 - Step 4: Simplify right side
206,399.58x = 38,039,302,385.41 - Step 5: Solve for x
x = 38,039,302,385.41/206,399.58 - Step 6: Final answer
x = 184,299.32
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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.