Finding the Fourth Proportional to 490,206.12, 735,079.54 and 205,835.97
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Solution
The fourth proportional to 490,206.12, 735,079.54 and 205,835.97 is: 308,657.53
Step by Step Solution
- Step 1: Write the proportion equation
490,206.12 : 735,079.54 = 205,835.97 : x - Step 2: Convert to fraction form
490,206.12/735,079.54 = 205,835.97/x - Step 3: Cross multiply
490,206.12x = 735,079.54 × 205,835.97 - Step 4: Simplify right side
490,206.12x = 151,305,810,143.05 - Step 5: Solve for x
x = 151,305,810,143.05/490,206.12 - Step 6: Final answer
x = 308,657.53
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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.