Finding the Fourth Proportional to 256,108.80, 384,163.20 and 122,956.95
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Solution
The fourth proportional to 256,108.80, 384,163.20 and 122,956.95 is: 184,435.43
Step by Step Solution
- Step 1: Write the proportion equation
256,108.80 : 384,163.20 = 122,956.95 : x - Step 2: Convert to fraction form
256,108.80/384,163.20 = 122,956.95/x - Step 3: Cross multiply
256,108.80x = 384,163.20 × 122,956.95 - Step 4: Simplify right side
256,108.80x = 47,235,535,374.24 - Step 5: Solve for x
x = 47,235,535,374.24/256,108.80 - Step 6: Final answer
x = 184,435.43
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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.