Finding the Fourth Proportional to 617,270.71, 851,799.09 and 345,286.09
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Solution
The fourth proportional to 617,270.71, 851,799.09 and 345,286.09 is: 476,475.51
Step by Step Solution
- Step 1: Write the proportion equation
617,270.71 : 851,799.09 = 345,286.09 : x - Step 2: Convert to fraction form
617,270.71/851,799.09 = 345,286.09/x - Step 3: Cross multiply
617,270.71x = 851,799.09 × 345,286.09 - Step 4: Simplify right side
617,270.71x = 294,114,377,251.66 - Step 5: Solve for x
x = 294,114,377,251.66/617,270.71 - Step 6: Final answer
x = 476,475.51
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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.