Finding the Fourth Proportional to 402,440.74, 555,247.11 and 241,236.97
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Solution
The fourth proportional to 402,440.74, 555,247.11 and 241,236.97 is: 332,834.41
Step by Step Solution
- Step 1: Write the proportion equation
402,440.74 : 555,247.11 = 241,236.97 : x - Step 2: Convert to fraction form
402,440.74/555,247.11 = 241,236.97/x - Step 3: Cross multiply
402,440.74x = 555,247.11 × 241,236.97 - Step 4: Simplify right side
402,440.74x = 133,946,126,435.24 - Step 5: Solve for x
x = 133,946,126,435.24/402,440.74 - Step 6: Final answer
x = 332,834.41
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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.