Finding the Fourth Proportional to 134,450.80, 201,676.20 and 128,545.90
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Solution
The fourth proportional to 134,450.80, 201,676.20 and 128,545.90 is: 192,818.85
Step by Step Solution
- Step 1: Write the proportion equation
134,450.80 : 201,676.20 = 128,545.90 : x - Step 2: Convert to fraction form
134,450.80/201,676.20 = 128,545.90/x - Step 3: Cross multiply
134,450.80x = 201,676.20 × 128,545.90 - Step 4: Simplify right side
134,450.80x = 25,924,648,637.58 - Step 5: Solve for x
x = 25,924,648,637.58/134,450.80 - Step 6: Final answer
x = 192,818.85
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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.