Finding the Fourth Proportional to 490,117.68, 735,221.88 and 190,620.99
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Solution
The fourth proportional to 490,117.68, 735,221.88 and 190,620.99 is: 285,949.13
Step by Step Solution
- Step 1: Write the proportion equation
490,117.68 : 735,221.88 = 190,620.99 : x - Step 2: Convert to fraction form
490,117.68/735,221.88 = 190,620.99/x - Step 3: Cross multiply
490,117.68x = 735,221.88 × 190,620.99 - Step 4: Simplify right side
490,117.68x = 140,148,722,635.26 - Step 5: Solve for x
x = 140,148,722,635.26/490,117.68 - Step 6: Final answer
x = 285,949.13
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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.