Finding the Fourth Proportional to 134,472.20, 201,708.30 and 40,977.80
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Solution
The fourth proportional to 134,472.20, 201,708.30 and 40,977.80 is: 61,466.70
Step by Step Solution
- Step 1: Write the proportion equation
134,472.20 : 201,708.30 = 40,977.80 : x - Step 2: Convert to fraction form
134,472.20/201,708.30 = 40,977.80/x - Step 3: Cross multiply
134,472.20x = 201,708.30 × 40,977.80 - Step 4: Simplify right side
134,472.20x = 8,265,562,375.74 - Step 5: Solve for x
x = 8,265,562,375.74/134,472.20 - Step 6: Final answer
x = 61,466.70
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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.