Finding the Fourth Proportional to 287,750.20, 430,847.70 and 225,542.20
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Solution
The fourth proportional to 287,750.20, 430,847.70 and 225,542.20 is: 337,703.81
Step by Step Solution
- Step 1: Write the proportion equation
287,750.20 : 430,847.70 = 225,542.20 : x - Step 2: Convert to fraction form
287,750.20/430,847.70 = 225,542.20/x - Step 3: Cross multiply
287,750.20x = 430,847.70 × 225,542.20 - Step 4: Simplify right side
287,750.20x = 97,174,338,122.94 - Step 5: Solve for x
x = 97,174,338,122.94/287,750.20 - Step 6: Final answer
x = 337,703.81
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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.