Finding the Fourth Proportional to 424,440.74, 585,811.44 and 243,274.12
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Solution
The fourth proportional to 424,440.74, 585,811.44 and 243,274.12 is: 335,765.98
Step by Step Solution
- Step 1: Write the proportion equation
424,440.74 : 585,811.44 = 243,274.12 : x - Step 2: Convert to fraction form
424,440.74/585,811.44 = 243,274.12/x - Step 3: Cross multiply
424,440.74x = 585,811.44 × 243,274.12 - Step 4: Simplify right side
424,440.74x = 142,512,761,087.40 - Step 5: Solve for x
x = 142,512,761,087.40/424,440.74 - Step 6: Final answer
x = 335,765.98
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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.