Finding the Fourth Proportional to 480,120.12, 720,287.33 and 180,603.18
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Solution
The fourth proportional to 480,120.12, 720,287.33 and 180,603.18 is: 270,945.07
Step by Step Solution
- Step 1: Write the proportion equation
480,120.12 : 720,287.33 = 180,603.18 : x - Step 2: Convert to fraction form
480,120.12/720,287.33 = 180,603.18/x - Step 3: Cross multiply
480,120.12x = 720,287.33 × 180,603.18 - Step 4: Simplify right side
480,120.12x = 130,086,181,408.69 - Step 5: Solve for x
x = 130,086,181,408.69/480,120.12 - Step 6: Final answer
x = 270,945.07
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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.