Finding the Fourth Proportional to 156,452.58, 234,678.41 and 135,329.81
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Solution
The fourth proportional to 156,452.58, 234,678.41 and 135,329.81 is: 202,994.31
Step by Step Solution
- Step 1: Write the proportion equation
156,452.58 : 234,678.41 = 135,329.81 : x - Step 2: Convert to fraction form
156,452.58/234,678.41 = 135,329.81/x - Step 3: Cross multiply
156,452.58x = 234,678.41 × 135,329.81 - Step 4: Simplify right side
156,452.58x = 31,758,982,786.36 - Step 5: Solve for x
x = 31,758,982,786.36/156,452.58 - Step 6: Final answer
x = 202,994.31
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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.