Finding the Fourth Proportional to 149,052.26, 205,631.42 and 84,507.90
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Solution
The fourth proportional to 149,052.26, 205,631.42 and 84,507.90 is: 116,586.49
Step by Step Solution
- Step 1: Write the proportion equation
149,052.26 : 205,631.42 = 84,507.90 : x - Step 2: Convert to fraction form
149,052.26/205,631.42 = 84,507.90/x - Step 3: Cross multiply
149,052.26x = 205,631.42 × 84,507.90 - Step 4: Simplify right side
149,052.26x = 17,377,479,055.68 - Step 5: Solve for x
x = 17,377,479,055.68/149,052.26 - Step 6: Final answer
x = 116,586.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.