Finding the Fourth Proportional to 230,974.08, 318,568.59 and 198,762.99
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Solution
The fourth proportional to 230,974.08, 318,568.59 and 198,762.99 is: 274,141.78
Step by Step Solution
- Step 1: Write the proportion equation
230,974.08 : 318,568.59 = 198,762.99 : x - Step 2: Convert to fraction form
230,974.08/318,568.59 = 198,762.99/x - Step 3: Cross multiply
230,974.08x = 318,568.59 × 198,762.99 - Step 4: Simplify right side
230,974.08x = 63,319,646,213.85 - Step 5: Solve for x
x = 63,319,646,213.85/230,974.08 - Step 6: Final answer
x = 274,141.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.