Finding the Fourth Proportional to 193,223.68, 289,586.04 and 86,529.68
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Solution
The fourth proportional to 193,223.68, 289,586.04 and 86,529.68 is: 129,682.80
Step by Step Solution
- Step 1: Write the proportion equation
193,223.68 : 289,586.04 = 86,529.68 : x - Step 2: Convert to fraction form
193,223.68/289,586.04 = 86,529.68/x - Step 3: Cross multiply
193,223.68x = 289,586.04 × 86,529.68 - Step 4: Simplify right side
193,223.68x = 25,057,787,373.67 - Step 5: Solve for x
x = 25,057,787,373.67/193,223.68 - Step 6: Final answer
x = 129,682.80
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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.