Finding the Fourth Proportional to 282,179.99, 423,408.39 and 132,432.45
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Solution
The fourth proportional to 282,179.99, 423,408.39 and 132,432.45 is: 198,713.63
Step by Step Solution
- Step 1: Write the proportion equation
282,179.99 : 423,408.39 = 132,432.45 : x - Step 2: Convert to fraction form
282,179.99/423,408.39 = 132,432.45/x - Step 3: Cross multiply
282,179.99x = 423,408.39 × 132,432.45 - Step 4: Simplify right side
282,179.99x = 56,073,010,438.26 - Step 5: Solve for x
x = 56,073,010,438.26/282,179.99 - Step 6: Final answer
x = 198,713.63
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1.5x scale
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.