Finding the Fourth Proportional to 99,342.68, 149,034.90 and 29,216.12
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Solution
The fourth proportional to 99,342.68, 149,034.90 and 29,216.12 is: 43,830.32
Step by Step Solution
- Step 1: Write the proportion equation
99,342.68 : 149,034.90 = 29,216.12 : x - Step 2: Convert to fraction form
99,342.68/149,034.90 = 29,216.12/x - Step 3: Cross multiply
99,342.68x = 149,034.90 × 29,216.12 - Step 4: Simplify right side
99,342.68x = 4,354,221,522.59 - Step 5: Solve for x
x = 4,354,221,522.59/99,342.68 - Step 6: Final answer
x = 43,830.32
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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.