Finding the Fourth Proportional to 366,919.30, 550,378.95 and 330,177.70
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Solution
The fourth proportional to 366,919.30, 550,378.95 and 330,177.70 is: 495,266.55
Step by Step Solution
- Step 1: Write the proportion equation
366,919.30 : 550,378.95 = 330,177.70 : x - Step 2: Convert to fraction form
366,919.30/550,378.95 = 330,177.70/x - Step 3: Cross multiply
366,919.30x = 550,378.95 × 330,177.70 - Step 4: Simplify right side
366,919.30x = 181,722,855,839.42 - Step 5: Solve for x
x = 181,722,855,839.42/366,919.30 - Step 6: Final answer
x = 495,266.55
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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.