Finding the Fourth Proportional to 409,771.10, 613,497.56 and 217,206.77
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Solution
The fourth proportional to 409,771.10, 613,497.56 and 217,206.77 is: 325,195.75
Step by Step Solution
- Step 1: Write the proportion equation
409,771.10 : 613,497.56 = 217,206.77 : x - Step 2: Convert to fraction form
409,771.10/613,497.56 = 217,206.77/x - Step 3: Cross multiply
409,771.10x = 613,497.56 × 217,206.77 - Step 4: Simplify right side
409,771.10x = 133,255,819,256.96 - Step 5: Solve for x
x = 133,255,819,256.96/409,771.10 - Step 6: Final answer
x = 325,195.75
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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.