Finding the Fourth Proportional to 330,178.26, 495,268.60 and 80,860.26
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Solution
The fourth proportional to 330,178.26, 495,268.60 and 80,860.26 is: 121,290.69
Step by Step Solution
- Step 1: Write the proportion equation
330,178.26 : 495,268.60 = 80,860.26 : x - Step 2: Convert to fraction form
330,178.26/495,268.60 = 80,860.26/x - Step 3: Cross multiply
330,178.26x = 495,268.60 × 80,860.26 - Step 4: Simplify right side
330,178.26x = 40,047,547,765.84 - Step 5: Solve for x
x = 40,047,547,765.84/330,178.26 - Step 6: Final answer
x = 121,290.69
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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.