Finding the Fourth Proportional to 1,405,149.20, 2,107,729.20 and 340,189.68
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Solution
The fourth proportional to 1,405,149.20, 2,107,729.20 and 340,189.68 is: 510,285.83
Step by Step Solution
- Step 1: Write the proportion equation
1,405,149.20 : 2,107,729.20 = 340,189.68 : x - Step 2: Convert to fraction form
1,405,149.20/2,107,729.20 = 340,189.68/x - Step 3: Cross multiply
1,405,149.20x = 2,107,729.20 × 340,189.68 - Step 4: Simplify right side
1,405,149.20x = 717,027,722,074.66 - Step 5: Solve for x
x = 717,027,722,074.66/1,405,149.20 - Step 6: Final answer
x = 510,285.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.