Finding the Fourth Proportional to 79,249.40, 118,861.35 and 29,318.06
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Solution
The fourth proportional to 79,249.40, 118,861.35 and 29,318.06 is: 43,972.37
Step by Step Solution
- Step 1: Write the proportion equation
79,249.40 : 118,861.35 = 29,318.06 : x - Step 2: Convert to fraction form
79,249.40/118,861.35 = 29,318.06/x - Step 3: Cross multiply
79,249.40x = 118,861.35 × 29,318.06 - Step 4: Simplify right side
79,249.40x = 3,484,784,190.98 - Step 5: Solve for x
x = 3,484,784,190.98/79,249.40 - Step 6: Final answer
x = 43,972.37
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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.