Finding the Fourth Proportional to 134,408.80, 201,722.55 and 130,034.80
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Solution
The fourth proportional to 134,408.80, 201,722.55 and 130,034.80 is: 195,157.99
Step by Step Solution
- Step 1: Write the proportion equation
134,408.80 : 201,722.55 = 130,034.80 : x - Step 2: Convert to fraction form
134,408.80/201,722.55 = 130,034.80/x - Step 3: Cross multiply
134,408.80x = 201,722.55 × 130,034.80 - Step 4: Simplify right side
134,408.80x = 26,230,951,444.74 - Step 5: Solve for x
x = 26,230,951,444.74/134,408.80 - Step 6: Final answer
x = 195,157.99
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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.