Finding the Fourth Proportional to 464,996.09, 641,764.64 and 283,813.31
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Solution
The fourth proportional to 464,996.09, 641,764.64 and 283,813.31 is: 391,705.11
Step by Step Solution
- Step 1: Write the proportion equation
464,996.09 : 641,764.64 = 283,813.31 : x - Step 2: Convert to fraction form
464,996.09/641,764.64 = 283,813.31/x - Step 3: Cross multiply
464,996.09x = 641,764.64 × 283,813.31 - Step 4: Simplify right side
464,996.09x = 182,141,344,173.91 - Step 5: Solve for x
x = 182,141,344,173.91/464,996.09 - Step 6: Final answer
x = 391,705.11
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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.