Finding the Fourth Proportional to 330,741.18, 495,820.50 and 131,201.70
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Solution
The fourth proportional to 330,741.18, 495,820.50 and 131,201.70 is: 196,687.01
Step by Step Solution
- Step 1: Write the proportion equation
330,741.18 : 495,820.50 = 131,201.70 : x - Step 2: Convert to fraction form
330,741.18/495,820.50 = 131,201.70/x - Step 3: Cross multiply
330,741.18x = 495,820.50 × 131,201.70 - Step 4: Simplify right side
330,741.18x = 65,052,492,494.85 - Step 5: Solve for x
x = 65,052,492,494.85/330,741.18 - Step 6: Final answer
x = 196,687.01
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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.