Finding the Fourth Proportional to 254,114.20, 381,048.69 and 147,524.99
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Solution
The fourth proportional to 254,114.20, 381,048.69 and 147,524.99 is: 221,216.30
Step by Step Solution
- Step 1: Write the proportion equation
254,114.20 : 381,048.69 = 147,524.99 : x - Step 2: Convert to fraction form
254,114.20/381,048.69 = 147,524.99/x - Step 3: Cross multiply
254,114.20x = 381,048.69 × 147,524.99 - Step 4: Simplify right side
254,114.20x = 56,214,203,564.20 - Step 5: Solve for x
x = 56,214,203,564.20/254,114.20 - Step 6: Final answer
x = 221,216.30
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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.