Finding the Fourth Proportional to 298,133.09, 447,199.64 and 204,354.53
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Solution
The fourth proportional to 298,133.09, 447,199.64 and 204,354.53 is: 306,531.80
Step by Step Solution
- Step 1: Write the proportion equation
298,133.09 : 447,199.64 = 204,354.53 : x - Step 2: Convert to fraction form
298,133.09/447,199.64 = 204,354.53/x - Step 3: Cross multiply
298,133.09x = 447,199.64 × 204,354.53 - Step 4: Simplify right side
298,133.09x = 91,387,271,226.60 - Step 5: Solve for x
x = 91,387,271,226.60/298,133.09 - Step 6: Final answer
x = 306,531.80
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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.