Finding the Fourth Proportional to 251,195.42, 346,629.57 and 143,740.82
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Solution
The fourth proportional to 251,195.42, 346,629.57 and 143,740.82 is: 198,350.82
Step by Step Solution
- Step 1: Write the proportion equation
251,195.42 : 346,629.57 = 143,740.82 : x - Step 2: Convert to fraction form
251,195.42/346,629.57 = 143,740.82/x - Step 3: Cross multiply
251,195.42x = 346,629.57 × 143,740.82 - Step 4: Simplify right side
251,195.42x = 49,824,818,628.05 - Step 5: Solve for x
x = 49,824,818,628.05/251,195.42 - Step 6: Final answer
x = 198,350.82
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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.