Finding the Fourth Proportional to 560,305.20, 839,958.39 and 205,236.09
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Solution
The fourth proportional to 560,305.20, 839,958.39 and 205,236.09 is: 307,671.20
Step by Step Solution
- Step 1: Write the proportion equation
560,305.20 : 839,958.39 = 205,236.09 : x - Step 2: Convert to fraction form
560,305.20/839,958.39 = 205,236.09/x - Step 3: Cross multiply
560,305.20x = 839,958.39 × 205,236.09 - Step 4: Simplify right side
560,305.20x = 172,389,775,726.30 - Step 5: Solve for x
x = 172,389,775,726.30/560,305.20 - Step 6: Final answer
x = 307,671.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.