Finding the Fourth Proportional to 300,306.52, 450,529.84 and 87,078.88
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Solution
The fourth proportional to 300,306.52, 450,529.84 and 87,078.88 is: 130,638.63
Step by Step Solution
- Step 1: Write the proportion equation
300,306.52 : 450,529.84 = 87,078.88 : x - Step 2: Convert to fraction form
300,306.52/450,529.84 = 87,078.88/x - Step 3: Cross multiply
300,306.52x = 450,529.84 × 87,078.88 - Step 4: Simplify right side
300,306.52x = 39,231,631,621.13 - Step 5: Solve for x
x = 39,231,631,621.13/300,306.52 - Step 6: Final answer
x = 130,638.63
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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.