Finding the Fourth Proportional to 202,369.85, 279,270.81 and 111,725.99
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Solution
The fourth proportional to 202,369.85, 279,270.81 and 111,725.99 is: 154,182.10
Step by Step Solution
- Step 1: Write the proportion equation
202,369.85 : 279,270.81 = 111,725.99 : x - Step 2: Convert to fraction form
202,369.85/279,270.81 = 111,725.99/x - Step 3: Cross multiply
202,369.85x = 279,270.81 × 111,725.99 - Step 4: Simplify right side
202,369.85x = 31,201,807,725.35 - Step 5: Solve for x
x = 31,201,807,725.35/202,369.85 - Step 6: Final answer
x = 154,182.10
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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.