Finding the Fourth Proportional to 145,962.56, 201,321.96 and 111,584.99
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Solution
The fourth proportional to 145,962.56, 201,321.96 and 111,584.99 is: 153,905.97
Step by Step Solution
- Step 1: Write the proportion equation
145,962.56 : 201,321.96 = 111,584.99 : x - Step 2: Convert to fraction form
145,962.56/201,321.96 = 111,584.99/x - Step 3: Cross multiply
145,962.56x = 201,321.96 × 111,584.99 - Step 4: Simplify right side
145,962.56x = 22,464,508,893.38 - Step 5: Solve for x
x = 22,464,508,893.38/145,962.56 - Step 6: Final answer
x = 153,905.97
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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.