Finding the Fourth Proportional to 330,177.70, 495,266.55 and 80,859.70
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Solution
The fourth proportional to 330,177.70, 495,266.55 and 80,859.70 is: 121,289.55
Step by Step Solution
- Step 1: Write the proportion equation
330,177.70 : 495,266.55 = 80,859.70 : x - Step 2: Convert to fraction form
330,177.70/495,266.55 = 80,859.70/x - Step 3: Cross multiply
330,177.70x = 495,266.55 × 80,859.70 - Step 4: Simplify right side
330,177.70x = 40,047,104,653.04 - Step 5: Solve for x
x = 40,047,104,653.04/330,177.70 - Step 6: Final answer
x = 121,289.55
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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.