Finding the Fourth Proportional to 99,339.68, 149,030.40 and 29,213.12
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Solution
The fourth proportional to 99,339.68, 149,030.40 and 29,213.12 is: 43,825.82
Step by Step Solution
- Step 1: Write the proportion equation
99,339.68 : 149,030.40 = 29,213.12 : x - Step 2: Convert to fraction form
99,339.68/149,030.40 = 29,213.12/x - Step 3: Cross multiply
99,339.68x = 149,030.40 × 29,213.12 - Step 4: Simplify right side
99,339.68x = 4,353,642,958.85 - Step 5: Solve for x
x = 4,353,642,958.85/99,339.68 - Step 6: Final answer
x = 43,825.82
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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.