Finding the Fourth Proportional to 493,048.40, 739,680.60 and 193,528.40
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Solution
The fourth proportional to 493,048.40, 739,680.60 and 193,528.40 is: 290,334.99
Step by Step Solution
- Step 1: Write the proportion equation
493,048.40 : 739,680.60 = 193,528.40 : x - Step 2: Convert to fraction form
493,048.40/739,680.60 = 193,528.40/x - Step 3: Cross multiply
493,048.40x = 739,680.60 × 193,528.40 - Step 4: Simplify right side
493,048.40x = 143,149,203,029.04 - Step 5: Solve for x
x = 143,149,203,029.04/493,048.40 - Step 6: Final answer
x = 290,334.99
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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.