Finding the Fourth Proportional to 324,209.10, 486,601.65 and 190,922.70
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Solution
The fourth proportional to 324,209.10, 486,601.65 and 190,922.70 is: 286,553.65
Step by Step Solution
- Step 1: Write the proportion equation
324,209.10 : 486,601.65 = 190,922.70 : x - Step 2: Convert to fraction form
324,209.10/486,601.65 = 190,922.70/x - Step 3: Cross multiply
324,209.10x = 486,601.65 × 190,922.70 - Step 4: Simplify right side
324,209.10x = 92,903,300,842.46 - Step 5: Solve for x
x = 92,903,300,842.46/324,209.10 - Step 6: Final answer
x = 286,553.65
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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.