Finding the Fourth Proportional to 252,105.32, 347,900.87 and 137,384.99
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Solution
The fourth proportional to 252,105.32, 347,900.87 and 137,384.99 is: 189,588.85
Step by Step Solution
- Step 1: Write the proportion equation
252,105.32 : 347,900.87 = 137,384.99 : x - Step 2: Convert to fraction form
252,105.32/347,900.87 = 137,384.99/x - Step 3: Cross multiply
252,105.32x = 347,900.87 × 137,384.99 - Step 4: Simplify right side
252,105.32x = 47,796,356,149.90 - Step 5: Solve for x
x = 47,796,356,149.90/252,105.32 - Step 6: Final answer
x = 189,588.85
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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.