Finding the Fourth Proportional to 121,529.70, 182,294.55 and 38,423.70
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Solution
The fourth proportional to 121,529.70, 182,294.55 and 38,423.70 is: 57,635.55
Step by Step Solution
- Step 1: Write the proportion equation
121,529.70 : 182,294.55 = 38,423.70 : x - Step 2: Convert to fraction form
121,529.70/182,294.55 = 38,423.70/x - Step 3: Cross multiply
121,529.70x = 182,294.55 × 38,423.70 - Step 4: Simplify right side
121,529.70x = 7,004,431,100.84 - Step 5: Solve for x
x = 7,004,431,100.84/121,529.70 - Step 6: Final answer
x = 57,635.55
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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.