Finding the Fourth Proportional to 490,351.40, 735,527.10 and 190,845.80
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Solution
The fourth proportional to 490,351.40, 735,527.10 and 190,845.80 is: 286,268.70
Step by Step Solution
- Step 1: Write the proportion equation
490,351.40 : 735,527.10 = 190,845.80 : x - Step 2: Convert to fraction form
490,351.40/735,527.10 = 190,845.80/x - Step 3: Cross multiply
490,351.40x = 735,527.10 × 190,845.80 - Step 4: Simplify right side
490,351.40x = 140,372,257,821.18 - Step 5: Solve for x
x = 140,372,257,821.18/490,351.40 - Step 6: Final answer
x = 286,268.70
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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.