Finding the Fourth Proportional to 617,118.97, 851,702.96 and 345,201.97
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Solution
The fourth proportional to 617,118.97, 851,702.96 and 345,201.97 is: 476,422.79
Step by Step Solution
- Step 1: Write the proportion equation
617,118.97 : 851,702.96 = 345,201.97 : x - Step 2: Convert to fraction form
617,118.97/851,702.96 = 345,201.97/x - Step 3: Cross multiply
617,118.97x = 851,702.96 × 345,201.97 - Step 4: Simplify right side
617,118.97x = 294,009,539,646.83 - Step 5: Solve for x
x = 294,009,539,646.83/617,118.97 - Step 6: Final answer
x = 476,422.79
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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.