Finding the Fourth Proportional to 491,066.64, 677,624.04 and 276,202.08
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Solution
The fourth proportional to 491,066.64, 677,624.04 and 276,202.08 is: 381,131.92
Step by Step Solution
- Step 1: Write the proportion equation
491,066.64 : 677,624.04 = 276,202.08 : x - Step 2: Convert to fraction form
491,066.64/677,624.04 = 276,202.08/x - Step 3: Cross multiply
491,066.64x = 677,624.04 × 276,202.08 - Step 4: Simplify right side
491,066.64x = 187,161,169,306.00 - Step 5: Solve for x
x = 187,161,169,306.00/491,066.64 - Step 6: Final answer
x = 381,131.92
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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.