Finding the Fourth Proportional to 480,107.80, 720,161.70 and 164,567.80
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Solution
The fourth proportional to 480,107.80, 720,161.70 and 164,567.80 is: 246,851.70
Step by Step Solution
- Step 1: Write the proportion equation
480,107.80 : 720,161.70 = 164,567.80 : x - Step 2: Convert to fraction form
480,107.80/720,161.70 = 164,567.80/x - Step 3: Cross multiply
480,107.80x = 720,161.70 × 164,567.80 - Step 4: Simplify right side
480,107.80x = 118,515,426,613.26 - Step 5: Solve for x
x = 118,515,426,613.26/480,107.80 - Step 6: Final answer
x = 246,851.70
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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.