Finding the Fourth Proportional to 134,521.80, 201,782.70 and 120,006.60
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Solution
The fourth proportional to 134,521.80, 201,782.70 and 120,006.60 is: 180,009.90
Step by Step Solution
- Step 1: Write the proportion equation
134,521.80 : 201,782.70 = 120,006.60 : x - Step 2: Convert to fraction form
134,521.80/201,782.70 = 120,006.60/x - Step 3: Cross multiply
134,521.80x = 201,782.70 × 120,006.60 - Step 4: Simplify right side
134,521.80x = 24,215,255,765.82 - Step 5: Solve for x
x = 24,215,255,765.82/134,521.80 - Step 6: Final answer
x = 180,009.90
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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.