Finding the Fourth Proportional to 282,441.74, 423,662.25 and 72,079.68
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Solution
The fourth proportional to 282,441.74, 423,662.25 and 72,079.68 is: 108,119.43
Step by Step Solution
- Step 1: Write the proportion equation
282,441.74 : 423,662.25 = 72,079.68 : x - Step 2: Convert to fraction form
282,441.74/423,662.25 = 72,079.68/x - Step 3: Cross multiply
282,441.74x = 423,662.25 × 72,079.68 - Step 4: Simplify right side
282,441.74x = 30,537,439,408.08 - Step 5: Solve for x
x = 30,537,439,408.08/282,441.74 - Step 6: Final answer
x = 108,119.43
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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.