Finding the Fourth Proportional to 250,798.14, 346,090.49 and 143,375.09
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Solution
The fourth proportional to 250,798.14, 346,090.49 and 143,375.09 is: 197,851.37
Step by Step Solution
- Step 1: Write the proportion equation
250,798.14 : 346,090.49 = 143,375.09 : x - Step 2: Convert to fraction form
250,798.14/346,090.49 = 143,375.09/x - Step 3: Cross multiply
250,798.14x = 346,090.49 × 143,375.09 - Step 4: Simplify right side
250,798.14x = 49,620,756,486.82 - Step 5: Solve for x
x = 49,620,756,486.82/250,798.14 - Step 6: Final answer
x = 197,851.37
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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.