Finding the Fourth Proportional to 617,086.08, 851,657.63 and 345,169.08
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Solution
The fourth proportional to 617,086.08, 851,657.63 and 345,169.08 is: 476,377.43
Step by Step Solution
- Step 1: Write the proportion equation
617,086.08 : 851,657.63 = 345,169.08 : x - Step 2: Convert to fraction form
617,086.08/851,657.63 = 345,169.08/x - Step 3: Cross multiply
617,086.08x = 851,657.63 × 345,169.08 - Step 4: Simplify right side
617,086.08x = 293,965,878,896.24 - Step 5: Solve for x
x = 293,965,878,896.24/617,086.08 - Step 6: Final answer
x = 476,377.43
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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.