Finding the Fourth Proportional to 133,474.70, 184,193.49 and 73,044.74
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Solution
The fourth proportional to 133,474.70, 184,193.49 and 73,044.74 is: 100,800.87
Step by Step Solution
- Step 1: Write the proportion equation
133,474.70 : 184,193.49 = 73,044.74 : x - Step 2: Convert to fraction form
133,474.70/184,193.49 = 73,044.74/x - Step 3: Cross multiply
133,474.70x = 184,193.49 × 73,044.74 - Step 4: Simplify right side
133,474.70x = 13,454,365,586.74 - Step 5: Solve for x
x = 13,454,365,586.74/133,474.70 - Step 6: Final answer
x = 100,800.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.