Finding the Fourth Proportional to 319,182.12, 440,511.21 and 183,258.65
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Solution
The fourth proportional to 319,182.12, 440,511.21 and 183,258.65 is: 252,919.84
Step by Step Solution
- Step 1: Write the proportion equation
319,182.12 : 440,511.21 = 183,258.65 : x - Step 2: Convert to fraction form
319,182.12/440,511.21 = 183,258.65/x - Step 3: Cross multiply
319,182.12x = 440,511.21 × 183,258.65 - Step 4: Simplify right side
319,182.12x = 80,727,490,755.74 - Step 5: Solve for x
x = 80,727,490,755.74/319,182.12 - Step 6: Final answer
x = 252,919.84
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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.