Finding the Fourth Proportional to 99,423.36, 149,137.56 and 29,305.08
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Solution
The fourth proportional to 99,423.36, 149,137.56 and 29,305.08 is: 43,958.36
Step by Step Solution
- Step 1: Write the proportion equation
99,423.36 : 149,137.56 = 29,305.08 : x - Step 2: Convert to fraction form
99,423.36/149,137.56 = 29,305.08/x - Step 3: Cross multiply
99,423.36x = 149,137.56 × 29,305.08 - Step 4: Simplify right side
99,423.36x = 4,370,488,126.80 - Step 5: Solve for x
x = 4,370,488,126.80/99,423.36 - Step 6: Final answer
x = 43,958.36
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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.