Finding the Fourth Proportional to 481,307.76, 663,996.16 and 290,214.99
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Solution
The fourth proportional to 481,307.76, 663,996.16 and 290,214.99 is: 400,370.93
Step by Step Solution
- Step 1: Write the proportion equation
481,307.76 : 663,996.16 = 290,214.99 : x - Step 2: Convert to fraction form
481,307.76/663,996.16 = 290,214.99/x - Step 3: Cross multiply
481,307.76x = 663,996.16 × 290,214.99 - Step 4: Simplify right side
481,307.76x = 192,701,634,163.38 - Step 5: Solve for x
x = 192,701,634,163.38/481,307.76 - Step 6: Final answer
x = 400,370.93
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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.