Finding the Fourth Proportional to 490,485.26, 735,426.81 and 190,615.70
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Solution
The fourth proportional to 490,485.26, 735,426.81 and 190,615.70 is: 285,806.54
Step by Step Solution
- Step 1: Write the proportion equation
490,485.26 : 735,426.81 = 190,615.70 : x - Step 2: Convert to fraction form
490,485.26/735,426.81 = 190,615.70/x - Step 3: Cross multiply
490,485.26x = 735,426.81 × 190,615.70 - Step 4: Simplify right side
490,485.26x = 140,183,898,025.48 - Step 5: Solve for x
x = 140,183,898,025.48/490,485.26 - Step 6: Final answer
x = 285,806.54
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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.