Finding the Fourth Proportional to 467,640.24, 645,191.28 and 286,162.80
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Solution
The fourth proportional to 467,640.24, 645,191.28 and 286,162.80 is: 394,811.50
Step by Step Solution
- Step 1: Write the proportion equation
467,640.24 : 645,191.28 = 286,162.80 : x - Step 2: Convert to fraction form
467,640.24/645,191.28 = 286,162.80/x - Step 3: Cross multiply
467,640.24x = 645,191.28 × 286,162.80 - Step 4: Simplify right side
467,640.24x = 184,629,743,220.38 - Step 5: Solve for x
x = 184,629,743,220.38/467,640.24 - Step 6: Final answer
x = 394,811.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.