Finding the Fourth Proportional to 99,909.09, 149,860.19 and 25,029.90
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Solution
The fourth proportional to 99,909.09, 149,860.19 and 25,029.90 is: 37,543.99
Step by Step Solution
- Step 1: Write the proportion equation
99,909.09 : 149,860.19 = 25,029.90 : x - Step 2: Convert to fraction form
99,909.09/149,860.19 = 25,029.90/x - Step 3: Cross multiply
99,909.09x = 149,860.19 × 25,029.90 - Step 4: Simplify right side
99,909.09x = 3,750,985,632.26 - Step 5: Solve for x
x = 3,750,985,632.26/99,909.09 - Step 6: Final answer
x = 37,543.99
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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.