Finding the Fourth Proportional to 134,077.84, 201,201.46 and 74,952.30
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Solution
The fourth proportional to 134,077.84, 201,201.46 and 74,952.30 is: 112,475.80
Step by Step Solution
- Step 1: Write the proportion equation
134,077.84 : 201,201.46 = 74,952.30 : x - Step 2: Convert to fraction form
134,077.84/201,201.46 = 74,952.30/x - Step 3: Cross multiply
134,077.84x = 201,201.46 × 74,952.30 - Step 4: Simplify right side
134,077.84x = 15,080,512,190.36 - Step 5: Solve for x
x = 15,080,512,190.36/134,077.84 - Step 6: Final answer
x = 112,475.80
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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.