Finding the Fourth Proportional to 251,244.05, 346,687.70 and 143,807.67
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Solution
The fourth proportional to 251,244.05, 346,687.70 and 143,807.67 is: 198,437.94
Step by Step Solution
- Step 1: Write the proportion equation
251,244.05 : 346,687.70 = 143,807.67 : x - Step 2: Convert to fraction form
251,244.05/346,687.70 = 143,807.67/x - Step 3: Cross multiply
251,244.05x = 346,687.70 × 143,807.67 - Step 4: Simplify right side
251,244.05x = 49,856,349,635.62 - Step 5: Solve for x
x = 49,856,349,635.62/251,244.05 - Step 6: Final answer
x = 198,437.94
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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.