Finding the Fourth Proportional to 327,777.58, 452,348.37 and 198,720.08
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Solution
The fourth proportional to 327,777.58, 452,348.37 and 198,720.08 is: 274,242.99
Step by Step Solution
- Step 1: Write the proportion equation
327,777.58 : 452,348.37 = 198,720.08 : x - Step 2: Convert to fraction form
327,777.58/452,348.37 = 198,720.08/x - Step 3: Cross multiply
327,777.58x = 452,348.37 × 198,720.08 - Step 4: Simplify right side
327,777.58x = 89,890,701,018.93 - Step 5: Solve for x
x = 89,890,701,018.93/327,777.58 - Step 6: Final answer
x = 274,242.99
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1.5x scale
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.