Finding the Fourth Proportional to 879,244.20, 1,318,866.30 and 248,149.80
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Solution
The fourth proportional to 879,244.20, 1,318,866.30 and 248,149.80 is: 372,224.70
Step by Step Solution
- Step 1: Write the proportion equation
879,244.20 : 1,318,866.30 = 248,149.80 : x - Step 2: Convert to fraction form
879,244.20/1,318,866.30 = 248,149.80/x - Step 3: Cross multiply
879,244.20x = 1,318,866.30 × 248,149.80 - Step 4: Simplify right side
879,244.20x = 327,276,408,571.74 - Step 5: Solve for x
x = 327,276,408,571.74/879,244.20 - Step 6: Final answer
x = 372,224.70
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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.