Finding the Fourth Proportional to 201,355.56, 277,955.28 and 135,956.70
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Solution
The fourth proportional to 201,355.56, 277,955.28 and 135,956.70 is: 187,677.37
Step by Step Solution
- Step 1: Write the proportion equation
201,355.56 : 277,955.28 = 135,956.70 : x - Step 2: Convert to fraction form
201,355.56/277,955.28 = 135,956.70/x - Step 3: Cross multiply
201,355.56x = 277,955.28 × 135,956.70 - Step 4: Simplify right side
201,355.56x = 37,789,882,616.38 - Step 5: Solve for x
x = 37,789,882,616.38/201,355.56 - Step 6: Final answer
x = 187,677.37
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1.5x scale
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.