Finding the Fourth Proportional to 99,347.40, 149,021.10 and 29,233.80
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Solution
The fourth proportional to 99,347.40, 149,021.10 and 29,233.80 is: 43,850.70
Step by Step Solution
- Step 1: Write the proportion equation
99,347.40 : 149,021.10 = 29,233.80 : x - Step 2: Convert to fraction form
99,347.40/149,021.10 = 29,233.80/x - Step 3: Cross multiply
99,347.40x = 149,021.10 × 29,233.80 - Step 4: Simplify right side
99,347.40x = 4,356,453,033.18 - Step 5: Solve for x
x = 4,356,453,033.18/99,347.40 - Step 6: Final answer
x = 43,850.70
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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.