Finding the Fourth Proportional to 103,014.99, 154,497.51 and 28,135.49
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Solution
The fourth proportional to 103,014.99, 154,497.51 and 28,135.49 is: 42,196.41
Step by Step Solution
- Step 1: Write the proportion equation
103,014.99 : 154,497.51 = 28,135.49 : x - Step 2: Convert to fraction form
103,014.99/154,497.51 = 28,135.49/x - Step 3: Cross multiply
103,014.99x = 154,497.51 × 28,135.49 - Step 4: Simplify right side
103,014.99x = 4,346,862,375.14 - Step 5: Solve for x
x = 4,346,862,375.14/103,014.99 - Step 6: Final answer
x = 42,196.41
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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.