Finding the Fourth Proportional to 100,573.97, 150,913.20 and 40,617.19
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Solution
The fourth proportional to 100,573.97, 150,913.20 and 40,617.19 is: 60,946.88
Step by Step Solution
- Step 1: Write the proportion equation
100,573.97 : 150,913.20 = 40,617.19 : x - Step 2: Convert to fraction form
100,573.97/150,913.20 = 40,617.19/x - Step 3: Cross multiply
100,573.97x = 150,913.20 × 40,617.19 - Step 4: Simplify right side
100,573.97x = 6,129,670,117.91 - Step 5: Solve for x
x = 6,129,670,117.91/100,573.97 - Step 6: Final answer
x = 60,946.88
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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.