Finding the Fourth Proportional to 264,199.64, 396,315.45 and 74,674.18
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Solution
The fourth proportional to 264,199.64, 396,315.45 and 74,674.18 is: 112,015.78
Step by Step Solution
- Step 1: Write the proportion equation
264,199.64 : 396,315.45 = 74,674.18 : x - Step 2: Convert to fraction form
264,199.64/396,315.45 = 74,674.18/x - Step 3: Cross multiply
264,199.64x = 396,315.45 × 74,674.18 - Step 4: Simplify right side
264,199.64x = 29,594,530,259.29 - Step 5: Solve for x
x = 29,594,530,259.29/264,199.64 - Step 6: Final answer
x = 112,015.78
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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.