Finding the Fourth Proportional to 490,192.38, 735,339.70 and 135,206.46
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Solution
The fourth proportional to 490,192.38, 735,339.70 and 135,206.46 is: 202,823.79
Step by Step Solution
- Step 1: Write the proportion equation
490,192.38 : 735,339.70 = 135,206.46 : x - Step 2: Convert to fraction form
490,192.38/735,339.70 = 135,206.46/x - Step 3: Cross multiply
490,192.38x = 735,339.70 × 135,206.46 - Step 4: Simplify right side
490,192.38x = 99,422,677,734.46 - Step 5: Solve for x
x = 99,422,677,734.46/490,192.38 - Step 6: Final answer
x = 202,823.79
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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.