Finding the Fourth Proportional to 367,311.08, 551,163.46 and 340,542.20
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Solution
The fourth proportional to 367,311.08, 551,163.46 and 340,542.20 is: 510,995.79
Step by Step Solution
- Step 1: Write the proportion equation
367,311.08 : 551,163.46 = 340,542.20 : x - Step 2: Convert to fraction form
367,311.08/551,163.46 = 340,542.20/x - Step 3: Cross multiply
367,311.08x = 551,163.46 × 340,542.20 - Step 4: Simplify right side
367,311.08x = 187,694,417,228.01 - Step 5: Solve for x
x = 187,694,417,228.01/367,311.08 - Step 6: Final answer
x = 510,995.79
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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.