Finding the Fourth Proportional to 174,768.48, 261,490.14 and 103,729.14
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Solution
The fourth proportional to 174,768.48, 261,490.14 and 103,729.14 is: 155,200.45
Step by Step Solution
- Step 1: Write the proportion equation
174,768.48 : 261,490.14 = 103,729.14 : x - Step 2: Convert to fraction form
174,768.48/261,490.14 = 103,729.14/x - Step 3: Cross multiply
174,768.48x = 261,490.14 × 103,729.14 - Step 4: Simplify right side
174,768.48x = 27,124,147,340.68 - Step 5: Solve for x
x = 27,124,147,340.68/174,768.48 - Step 6: Final answer
x = 155,200.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.