Finding the Fourth Proportional to 234,697.09, 351,905.02 and 74,703.94
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Solution
The fourth proportional to 234,697.09, 351,905.02 and 74,703.94 is: 112,011.15
Step by Step Solution
- Step 1: Write the proportion equation
234,697.09 : 351,905.02 = 74,703.94 : x - Step 2: Convert to fraction form
234,697.09/351,905.02 = 74,703.94/x - Step 3: Cross multiply
234,697.09x = 351,905.02 × 74,703.94 - Step 4: Simplify right side
234,697.09x = 26,288,691,499.78 - Step 5: Solve for x
x = 26,288,691,499.78/234,697.09 - Step 6: Final answer
x = 112,011.15
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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.