Finding the Fourth Proportional to 134,492.80, 201,739.20 and 119,747.20
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Solution
The fourth proportional to 134,492.80, 201,739.20 and 119,747.20 is: 179,620.80
Step by Step Solution
- Step 1: Write the proportion equation
134,492.80 : 201,739.20 = 119,747.20 : x - Step 2: Convert to fraction form
134,492.80/201,739.20 = 119,747.20/x - Step 3: Cross multiply
134,492.80x = 201,739.20 × 119,747.20 - Step 4: Simplify right side
134,492.80x = 24,157,704,330.24 - Step 5: Solve for x
x = 24,157,704,330.24/134,492.80 - Step 6: Final answer
x = 179,620.80
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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.