Finding the Fourth Proportional to 201,795.75, 278,478.14 and 116,962.02
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Solution
The fourth proportional to 201,795.75, 278,478.14 and 116,962.02 is: 161,407.59
Step by Step Solution
- Step 1: Write the proportion equation
201,795.75 : 278,478.14 = 116,962.02 : x - Step 2: Convert to fraction form
201,795.75/278,478.14 = 116,962.02/x - Step 3: Cross multiply
201,795.75x = 278,478.14 × 116,962.02 - Step 4: Simplify right side
201,795.75x = 32,571,365,780.24 - Step 5: Solve for x
x = 32,571,365,780.24/201,795.75 - Step 6: Final answer
x = 161,407.59
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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.