Finding the Fourth Proportional to 100,510.58, 150,568.74 and 58,301.99
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Solution
The fourth proportional to 100,510.58, 150,568.74 and 58,301.99 is: 87,338.63
Step by Step Solution
- Step 1: Write the proportion equation
100,510.58 : 150,568.74 = 58,301.99 : x - Step 2: Convert to fraction form
100,510.58/150,568.74 = 58,301.99/x - Step 3: Cross multiply
100,510.58x = 150,568.74 × 58,301.99 - Step 4: Simplify right side
100,510.58x = 8,778,456,985.58 - Step 5: Solve for x
x = 8,778,456,985.58/100,510.58 - Step 6: Final answer
x = 87,338.63
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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.