Finding the Fourth Proportional to 193,237.04, 289,715.42 and 129,900.06
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Solution
The fourth proportional to 193,237.04, 289,715.42 and 129,900.06 is: 194,755.88
Step by Step Solution
- Step 1: Write the proportion equation
193,237.04 : 289,715.42 = 129,900.06 : x - Step 2: Convert to fraction form
193,237.04/289,715.42 = 129,900.06/x - Step 3: Cross multiply
193,237.04x = 289,715.42 × 129,900.06 - Step 4: Simplify right side
193,237.04x = 37,634,050,440.93 - Step 5: Solve for x
x = 37,634,050,440.93/193,237.04 - Step 6: Final answer
x = 194,755.88
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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.