Finding the Fourth Proportional to 318,535.36, 478,098.42 and 160,874.44
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Solution
The fourth proportional to 318,535.36, 478,098.42 and 160,874.44 is: 241,460.84
Step by Step Solution
- Step 1: Write the proportion equation
318,535.36 : 478,098.42 = 160,874.44 : x - Step 2: Convert to fraction form
318,535.36/478,098.42 = 160,874.44/x - Step 3: Cross multiply
318,535.36x = 478,098.42 × 160,874.44 - Step 4: Simplify right side
318,535.36x = 76,913,815,582.38 - Step 5: Solve for x
x = 76,913,815,582.38/318,535.36 - Step 6: Final answer
x = 241,460.84
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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.