Finding the Fourth Proportional to 201,553.05, 278,257.95 and 133,661.67
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Solution
The fourth proportional to 201,553.05, 278,257.95 and 133,661.67 is: 184,529.20
Step by Step Solution
- Step 1: Write the proportion equation
201,553.05 : 278,257.95 = 133,661.67 : x - Step 2: Convert to fraction form
201,553.05/278,257.95 = 133,661.67/x - Step 3: Cross multiply
201,553.05x = 278,257.95 × 133,661.67 - Step 4: Simplify right side
201,553.05x = 37,192,422,287.78 - Step 5: Solve for x
x = 37,192,422,287.78/201,553.05 - Step 6: Final answer
x = 184,529.20
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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.