Finding the Fourth Proportional to 479,097.36, 718,682.64 and 279,437.76
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Solution
The fourth proportional to 479,097.36, 718,682.64 and 279,437.76 is: 419,177.99
Step by Step Solution
- Step 1: Write the proportion equation
479,097.36 : 718,682.64 = 279,437.76 : x - Step 2: Convert to fraction form
479,097.36/718,682.64 = 279,437.76/x - Step 3: Cross multiply
479,097.36x = 718,682.64 × 279,437.76 - Step 4: Simplify right side
479,097.36x = 200,827,067,072.49 - Step 5: Solve for x
x = 200,827,067,072.49/479,097.36 - Step 6: Final answer
x = 419,177.99
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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.