Finding the Fourth Proportional to 378,602.80, 568,011.50 and 154,124.26
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Solution
The fourth proportional to 378,602.80, 568,011.50 and 154,124.26 is: 231,230.07
Step by Step Solution
- Step 1: Write the proportion equation
378,602.80 : 568,011.50 = 154,124.26 : x - Step 2: Convert to fraction form
378,602.80/568,011.50 = 154,124.26/x - Step 3: Cross multiply
378,602.80x = 568,011.50 × 154,124.26 - Step 4: Simplify right side
378,602.80x = 87,544,352,108.99 - Step 5: Solve for x
x = 87,544,352,108.99/378,602.80 - Step 6: Final answer
x = 231,230.07
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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.