Finding the Fourth Proportional to 149,489.70, 224,234.55 and 122,917.65
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Solution
The fourth proportional to 149,489.70, 224,234.55 and 122,917.65 is: 184,376.48
Step by Step Solution
- Step 1: Write the proportion equation
149,489.70 : 224,234.55 = 122,917.65 : x - Step 2: Convert to fraction form
149,489.70/224,234.55 = 122,917.65/x - Step 3: Cross multiply
149,489.70x = 224,234.55 × 122,917.65 - Step 4: Simplify right side
149,489.70x = 27,562,383,934.81 - Step 5: Solve for x
x = 27,562,383,934.81/149,489.70 - Step 6: Final answer
x = 184,376.48
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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.