Finding the Fourth Proportional to 201,207.75, 277,666.70 and 111,783.75
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Solution
The fourth proportional to 201,207.75, 277,666.70 and 111,783.75 is: 154,261.58
Step by Step Solution
- Step 1: Write the proportion equation
201,207.75 : 277,666.70 = 111,783.75 : x - Step 2: Convert to fraction form
201,207.75/277,666.70 = 111,783.75/x - Step 3: Cross multiply
201,207.75x = 277,666.70 × 111,783.75 - Step 4: Simplify right side
201,207.75x = 31,038,624,417.21 - Step 5: Solve for x
x = 31,038,624,417.21/201,207.75 - Step 6: Final answer
x = 154,261.58
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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.