Finding the Fourth Proportional to 201,419.79, 277,953.42 and 110,775.66
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Solution
The fourth proportional to 201,419.79, 277,953.42 and 110,775.66 is: 152,867.17
Step by Step Solution
- Step 1: Write the proportion equation
201,419.79 : 277,953.42 = 110,775.66 : x - Step 2: Convert to fraction form
201,419.79/277,953.42 = 110,775.66/x - Step 3: Cross multiply
201,419.79x = 277,953.42 × 110,775.66 - Step 4: Simplify right side
201,419.79x = 30,790,473,549.76 - Step 5: Solve for x
x = 30,790,473,549.76/201,419.79 - Step 6: Final answer
x = 152,867.17
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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.