Finding the Fourth Proportional to 193,044.53, 266,311.34 and 121,464.02
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Solution
The fourth proportional to 193,044.53, 266,311.34 and 121,464.02 is: 167,563.65
Step by Step Solution
- Step 1: Write the proportion equation
193,044.53 : 266,311.34 = 121,464.02 : x - Step 2: Convert to fraction form
193,044.53/266,311.34 = 121,464.02/x - Step 3: Cross multiply
193,044.53x = 266,311.34 × 121,464.02 - Step 4: Simplify right side
193,044.53x = 32,347,245,927.99 - Step 5: Solve for x
x = 32,347,245,927.99/193,044.53 - Step 6: Final answer
x = 167,563.65
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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.