Finding the Fourth Proportional to 516,919.96, 775,380.62 and 250,719.68
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Solution
The fourth proportional to 516,919.96, 775,380.62 and 250,719.68 is: 376,079.85
Step by Step Solution
- Step 1: Write the proportion equation
516,919.96 : 775,380.62 = 250,719.68 : x - Step 2: Convert to fraction form
516,919.96/775,380.62 = 250,719.68/x - Step 3: Cross multiply
516,919.96x = 775,380.62 × 250,719.68 - Step 4: Simplify right side
516,919.96x = 194,403,180,924.60 - Step 5: Solve for x
x = 194,403,180,924.60/516,919.96 - Step 6: Final answer
x = 376,079.85
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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.